diff --git a/iframe.html b/iframe.html
index 2e6f20f..624e892 100644
--- a/iframe.html
+++ b/iframe.html
@@ -447,14 +447,117 @@
             }
         }
 
+        /* Feeding Configuration Styles */
+        .dog-calculator-container .dog-calculator-feeding-config {
+            margin-top: 20px;
+            padding: 16px;
+            background: var(--bg-tertiary);
+            border: 1px solid var(--border-color);
+            border-radius: 8px;
+        }
+
+        .dog-calculator-container .dog-calculator-frequency-row {
+            display: flex;
+            align-items: center;
+            gap: 16px;
+            flex-wrap: wrap;
+        }
+
+        .dog-calculator-container .dog-calculator-frequency-row > label {
+            font-weight: 500;
+            color: var(--text-label);
+            margin: 0;
+        }
+
+        .dog-calculator-container .dog-calculator-radio-group {
+            display: flex;
+            gap: 20px;
+            align-items: center;
+        }
+
+        .dog-calculator-container .dog-calculator-radio-group label {
+            display: flex;
+            align-items: center;
+            gap: 6px;
+            cursor: pointer;
+            color: var(--text-primary);
+            font-size: 0.95rem;
+        }
+
+        .dog-calculator-container .dog-calculator-radio-group input[type="radio"] {
+            cursor: pointer;
+            margin: 0;
+        }
+
+        .dog-calculator-container .dog-calculator-radio-group input[type="radio"]:checked + span {
+            font-weight: 600;
+            color: var(--accent-color);
+        }
+
+        .dog-calculator-container .dog-calculator-meal-input {
+            display: inline-flex;
+            align-items: center;
+            justify-content: center;
+            gap: 6px;
+            margin-left: auto;
+        }
+
+        .dog-calculator-container .dog-calculator-meal-input span {
+            color: var(--text-secondary);
+            font-size: 0.95rem;
+        }
+
+        .dog-calculator-container .dog-calculator-meal-input input[type="number"] {
+            width: 50px;
+            padding: 4px 8px;
+            border: 1px solid var(--border-color);
+            border-radius: 4px;
+            font-size: 0.95rem;
+            color: var(--text-primary);
+            background: var(--bg-secondary);
+            text-align: center;
+        }
+
+        .dog-calculator-container .dog-calculator-meal-input input[type="number"]:focus {
+            outline: none;
+            border-color: var(--accent-color);
+            box-shadow: 0 0 0 2px rgba(241, 154, 95, 0.1);
+        }
+
+        /* Update meal note styling */
+        .dog-calculator-container #mealNote {
+            color: var(--text-secondary);
+            font-size: 0.9rem;
+            font-weight: normal;
+            margin-left: 4px;
+        }
+
+        /* Mobile responsive adjustments for feeding config */
+        @media (max-width: 480px) {
+            .dog-calculator-meal-input {
+                margin-left: 0;
+                width: 100%;
+                margin-top: 8px;
+            }
+            
+            .dog-calculator-frequency-row {
+                flex-direction: column;
+                align-items: flex-start;
+            }
+        }
+
         /* Dark theme - manual override */
 
 .dog-calculator-container.theme-dark {
             --bg-primary: #24202d;
             --bg-secondary: #312b3b;
+            --bg-tertiary: #1f1b26;
             --border-color: #433c4f;
             --text-primary: #f5f3f7;
             --text-secondary: #b8b0c2;
+            --text-label: #9f94ae;
+            --success-color: #7fa464;
+            --error-color: #e87159;
             color: var(--text-primary);
         }
             
@@ -599,14 +702,55 @@
             color: var(--success-color);
         }
 
+        /* Dark theme feeding configuration styles */
+        .dog-calculator-container.theme-dark .dog-calculator-feeding-config {
+            background: var(--bg-tertiary);
+            border-color: var(--border-color);
+        }
+
+        .dog-calculator-container.theme-dark .dog-calculator-frequency-row > label {
+            color: var(--text-label);
+        }
+
+        .dog-calculator-container.theme-dark .dog-calculator-radio-group label {
+            color: var(--text-primary);
+        }
+
+        .dog-calculator-container.theme-dark .dog-calculator-radio-group input[type="radio"]:checked + span {
+            color: #f19a5f;
+        }
+
+        .dog-calculator-container.theme-dark .dog-calculator-meal-input span {
+            color: var(--text-secondary);
+        }
+
+        .dog-calculator-container.theme-dark .dog-calculator-meal-input input[type="number"] {
+            background: var(--bg-secondary);
+            border-color: var(--border-color);
+            color: var(--text-primary);
+        }
+
+        .dog-calculator-container.theme-dark .dog-calculator-meal-input input[type="number"]:focus {
+            border-color: #f19a5f;
+            box-shadow: 0 0 0 2px rgba(241, 154, 95, 0.15);
+        }
+
+        .dog-calculator-container.theme-dark #mealNote {
+            color: var(--text-secondary);
+        }
+
         /* System theme - follows user's OS preference */
         @media (prefers-color-scheme: dark) {
             .dog-calculator-container.theme-system {
                 --bg-primary: #24202d;
                 --bg-secondary: #312b3b;
+                --bg-tertiary: #1f1b26;
                 --border-color: #433c4f;
                 --text-primary: #f5f3f7;
                 --text-secondary: #b8b0c2;
+                --text-label: #9f94ae;
+                --success-color: #7fa464;
+                --error-color: #e87159;
                 color: var(--text-primary);
             }
             
@@ -750,6 +894,43 @@
                 border-color: var(--success-color);
                 color: var(--success-color);
             }
+
+            /* System theme feeding configuration styles in dark mode */
+            .dog-calculator-container.theme-system .dog-calculator-feeding-config {
+                background: var(--bg-tertiary);
+                border-color: var(--border-color);
+            }
+
+            .dog-calculator-container.theme-system .dog-calculator-frequency-row > label {
+                color: var(--text-label);
+            }
+
+            .dog-calculator-container.theme-system .dog-calculator-radio-group label {
+                color: var(--text-primary);
+            }
+
+            .dog-calculator-container.theme-system .dog-calculator-radio-group input[type="radio"]:checked + span {
+                color: #f19a5f;
+            }
+
+            .dog-calculator-container.theme-system .dog-calculator-meal-input span {
+                color: var(--text-secondary);
+            }
+
+            .dog-calculator-container.theme-system .dog-calculator-meal-input input[type="number"] {
+                background: var(--bg-secondary);
+                border-color: var(--border-color);
+                color: var(--text-primary);
+            }
+
+            .dog-calculator-container.theme-system .dog-calculator-meal-input input[type="number"]:focus {
+                border-color: #f19a5f;
+                box-shadow: 0 0 0 2px rgba(241, 154, 95, 0.15);
+            }
+
+            .dog-calculator-container.theme-system #mealNote {
+                color: var(--text-secondary);
+            }
         }
 
         /* Modal Styles */
@@ -1901,6 +2082,28 @@
                         <span>Add another food source</span>
                     </button>
 
+                    <!-- Feeding Configuration -->
+                    <div class="dog-calculator-feeding-config" id="feedingConfig" style="display: none;">
+                        <div class="dog-calculator-frequency-row">
+                            <label>Show amounts:</label>
+                            <div class="dog-calculator-radio-group">
+                                <label>
+                                    <input type="radio" name="showAs" value="daily" id="showDaily" checked>
+                                    <span>Per day</span>
+                                </label>
+                                <label>
+                                    <input type="radio" name="showAs" value="meal" id="showPerMeal">
+                                    <span>Per meal</span>
+                                </label>
+                            </div>
+                            <div class="dog-calculator-meal-input" id="mealInputGroup" style="display: none;">
+                                <span>×</span>
+                                <input type="number" id="mealsPerDay" value="2" min="1" max="10">
+                                <span>meals/day</span>
+                            </div>
+                        </div>
+                    </div>
+
                     <!-- Per-Food Results -->
                     <div class="dog-calculator-food-results" id="foodBreakdownResults" style="display: none;">
                         <div id="foodBreakdownList">
@@ -1936,7 +2139,7 @@
                         <h4 class="dog-calculator-section-title">
                             Calculate amounts for 
                             <input type="number" id="days" min="1" step="1" value="1" placeholder="1" aria-describedby="daysHelp" class="dog-calculator-inline-days"> 
-                            <span id="dayLabel">day</span>:
+                            <span id="dayLabel">day</span><span id="mealNote" style="display: none;"></span>:
                         </h4>
                         <div id="daysError" class="dog-calculator-error dog-calculator-hidden">Please enter a valid number of days (minimum 1)</div>
                         <div id="foodAmountsList" class="dog-calculator-food-amounts-list">
@@ -2049,6 +2252,8 @@ const CALCULATOR_CONFIG = {
                 this.scale = this.getScaleFromURL() || CALCULATOR_CONFIG.defaultScale;
                 this.foodSources = [];
                 this.maxFoodSources = CALCULATOR_CONFIG.maxFoodSources;
+                this.mealsPerDay = 2;
+                this.showPerMeal = false;
                 this.init();
             }
 
@@ -2803,6 +3008,58 @@ const CALCULATOR_CONFIG = {
 
                 if (addFoodBtn) addFoodBtn.addEventListener('click', () => this.addFoodSource());
 
+                // Feeding configuration event listeners
+                const showDaily = document.getElementById('showDaily');
+                const showPerMeal = document.getElementById('showPerMeal');
+                const mealsPerDayInput = document.getElementById('mealsPerDay');
+                const mealInputGroup = document.getElementById('mealInputGroup');
+
+                if (showDaily) {
+                    showDaily.addEventListener('change', () => {
+                        if (showDaily.checked) {
+                            this.showPerMeal = false;
+                            if (mealInputGroup) mealInputGroup.style.display = 'none';
+                            this.updateDayLabel();
+                            this.updateFoodCalculations();
+                        }
+                    });
+                }
+
+                if (showPerMeal) {
+                    showPerMeal.addEventListener('change', () => {
+                        if (showPerMeal.checked) {
+                            this.showPerMeal = true;
+                            if (mealInputGroup) mealInputGroup.style.display = 'inline-flex';
+                            this.updateDayLabel();
+                            this.updateFoodCalculations();
+                        }
+                    });
+                }
+
+                if (mealsPerDayInput) {
+                    mealsPerDayInput.addEventListener('input', () => {
+                        const meals = parseInt(mealsPerDayInput.value);
+                        if (meals && meals >= 1 && meals <= 10) {
+                            this.mealsPerDay = meals;
+                            if (this.showPerMeal) {
+                                this.updateDayLabel();
+                                this.updateFoodCalculations();
+                            }
+                        }
+                    });
+
+                    mealsPerDayInput.addEventListener('blur', () => {
+                        if (!mealsPerDayInput.value || parseInt(mealsPerDayInput.value) < 1) {
+                            mealsPerDayInput.value = 2;
+                            this.mealsPerDay = 2;
+                            if (this.showPerMeal) {
+                                this.updateDayLabel();
+                                this.updateFoodCalculations();
+                            }
+                        }
+                    });
+                }
+
                 // Modal event listeners
                 const shareBtn = document.getElementById('shareBtn');
                 const embedBtn = document.getElementById('embedBtn');
@@ -3021,10 +3278,21 @@ const CALCULATOR_CONFIG = {
             updateDayLabel() {
                 const days = document.getElementById('days')?.value;
                 const dayLabel = document.getElementById('dayLabel');
+                const mealNote = document.getElementById('mealNote');
                 if (dayLabel && days) {
                     const numDays = parseInt(days);
                     dayLabel.textContent = numDays === 1 ? 'day' : 'days';
                 }
+                if (mealNote) {
+                    if (this.showPerMeal && days) {
+                        const numDays = parseInt(days);
+                        const totalMeals = numDays * this.mealsPerDay;
+                        mealNote.textContent = ` (${totalMeals} meal${totalMeals === 1 ? '' : 's'} total)`;
+                        mealNote.style.display = 'inline';
+                    } else {
+                        mealNote.style.display = 'none';
+                    }
+                }
             }
 
             setActiveUnitButton(unit) {
@@ -3091,6 +3359,7 @@ const CALCULATOR_CONFIG = {
                 const totalAmountDisplay = document.getElementById('totalAmountDisplay');
                 const foodBreakdownResults = document.getElementById('foodBreakdownResults');
                 const foodBreakdownList = document.getElementById('foodBreakdownList');
+                const feedingConfig = document.getElementById('feedingConfig');
 
                 if (!daysInput || !unitSelect || !dailyFoodResults || !dailyFoodValue || !foodAmountsSection) {
                     return;
@@ -3101,6 +3370,9 @@ const CALCULATOR_CONFIG = {
                 const unitLabel = unit === 'g' ? 'g' : unit === 'kg' ? 'kg' : unit === 'oz' ? 'oz' : 'lb';
                 const decimals = unit === 'g' ? 0 : unit === 'kg' ? 2 : 1;
                 
+                // Determine frequency suffix for display
+                const frequencySuffix = this.showPerMeal ? '/meal' : '/day';
+                
                 // Clear all food source errors first
                 this.foodSources.forEach(fs => {
                     this.showError(`energy-error-${fs.id}`, false);
@@ -3113,6 +3385,7 @@ const CALCULATOR_CONFIG = {
                     foodAmountsSection.style.display = 'none';
                     dailyFoodResults.style.display = 'none';
                     if (foodBreakdownResults) foodBreakdownResults.style.display = 'none';
+                    if (feedingConfig) feedingConfig.style.display = 'none';
                     
                     // Hide unit buttons when validation fails
                     const unitButtons = document.getElementById('unitButtons');
@@ -3134,11 +3407,17 @@ const CALCULATOR_CONFIG = {
                         const dailyCaloriesForThisFood = (this.currentMER * fs.percentage) / 100;
                         const dailyGramsForThisFood = (dailyCaloriesForThisFood / energyPer100g) * 100;
                         
+                        // Calculate per-meal amounts if needed
+                        const displayGrams = this.showPerMeal ? dailyGramsForThisFood / this.mealsPerDay : dailyGramsForThisFood;
+                        const displayCalories = this.showPerMeal ? dailyCaloriesForThisFood / this.mealsPerDay : dailyCaloriesForThisFood;
+                        
                         foodBreakdowns.push({
                             name: fs.name,
                             percentage: fs.percentage,
                             dailyGrams: dailyGramsForThisFood,
+                            displayGrams: displayGrams,
                             calories: dailyCaloriesForThisFood,
+                            displayCalories: displayCalories,
                             isLocked: fs.isLocked,
                             hasEnergyContent: true
                         });
@@ -3151,7 +3430,9 @@ const CALCULATOR_CONFIG = {
                             name: fs.name,
                             percentage: fs.percentage,
                             dailyGrams: 0,
+                            displayGrams: 0,
                             calories: 0,
+                            displayCalories: 0,
                             isLocked: fs.isLocked,
                             hasEnergyContent: false
                         });
@@ -3169,6 +3450,7 @@ const CALCULATOR_CONFIG = {
                     
                     dailyFoodResults.style.display = 'none';
                     if (foodBreakdownResults) foodBreakdownResults.style.display = 'none';
+                    if (feedingConfig) feedingConfig.style.display = 'none';
                     
                     // Hide unit buttons when no valid foods
                     const unitButtons = document.getElementById('unitButtons');
@@ -3215,6 +3497,9 @@ const CALCULATOR_CONFIG = {
                 // Update daily food results (total) - will be updated with proper units later
                 dailyFoodResults.style.display = 'block';
                 
+                // Show feeding configuration when we have valid foods
+                if (feedingConfig) feedingConfig.style.display = 'block';
+                
                 // Show unit buttons when daily results are shown
                 const unitButtons = document.getElementById('unitButtons');
                 if (unitButtons) unitButtons.style.display = 'flex';
@@ -3223,7 +3508,7 @@ const CALCULATOR_CONFIG = {
                 if (foodBreakdownList && foodBreakdowns.length > 1) {
                     const breakdownHTML = foodBreakdowns.map(breakdown => {
                         const valueContent = breakdown.hasEnergyContent 
-                            ? `${this.formatNumber(this.convertUnits(breakdown.dailyGrams, unit), decimals)} ${unitLabel}/day`
+                            ? `${this.formatNumber(this.convertUnits(breakdown.displayGrams, unit), decimals)} ${unitLabel}${frequencySuffix}`
                             : `<span class="dog-calculator-warning" title="Enter energy content to calculate amount">⚠️</span>`;
                         
                         return `
@@ -3243,8 +3528,9 @@ const CALCULATOR_CONFIG = {
                 // Generate individual food amount breakdown
                 
                 // Update daily food value with correct units
-                const convertedDailyTotal = this.convertUnits(totalDailyGrams, unit);
-                dailyFoodValue.textContent = this.formatNumber(convertedDailyTotal, decimals) + ` ${unitLabel}/day`;
+                const displayTotal = this.showPerMeal ? totalDailyGrams / this.mealsPerDay : totalDailyGrams;
+                const convertedTotal = this.convertUnits(displayTotal, unit);
+                dailyFoodValue.textContent = this.formatNumber(convertedTotal, decimals) + ` ${unitLabel}${frequencySuffix}`;
                 
                 // Build HTML for individual food amounts
                 const foodAmountsHTML = foodBreakdowns.map(breakdown => {
@@ -3265,7 +3551,11 @@ const CALCULATOR_CONFIG = {
                             </div>
                         `;
                     } else {
-                        const totalGramsForDays = breakdown.dailyGrams * numDays;
+                        // For multi-day calculations: show total amount for all days
+                        // But if in per-meal mode, multiply by meals per day as well
+                        const totalGramsForDays = this.showPerMeal 
+                            ? (breakdown.dailyGrams / this.mealsPerDay) * numDays * this.mealsPerDay
+                            : breakdown.dailyGrams * numDays;
                         const convertedAmount = this.convertUnits(totalGramsForDays, unit);
                         
                         return `
diff --git a/src/css/main.css b/src/css/main.css
index 153947f..ada69e7 100644
--- a/src/css/main.css
+++ b/src/css/main.css
@@ -437,4 +437,102 @@
             }
         }
 
+        /* Feeding Configuration Styles */
+        .dog-calculator-container .dog-calculator-feeding-config {
+            margin-top: 20px;
+            padding: 16px;
+            background: var(--bg-tertiary);
+            border: 1px solid var(--border-color);
+            border-radius: 8px;
+        }
+
+        .dog-calculator-container .dog-calculator-frequency-row {
+            display: flex;
+            align-items: center;
+            gap: 16px;
+            flex-wrap: wrap;
+        }
+
+        .dog-calculator-container .dog-calculator-frequency-row > label {
+            font-weight: 500;
+            color: var(--text-label);
+            margin: 0;
+        }
+
+        .dog-calculator-container .dog-calculator-radio-group {
+            display: flex;
+            gap: 20px;
+            align-items: center;
+        }
+
+        .dog-calculator-container .dog-calculator-radio-group label {
+            display: flex;
+            align-items: center;
+            gap: 6px;
+            cursor: pointer;
+            color: var(--text-primary);
+            font-size: 0.95rem;
+        }
+
+        .dog-calculator-container .dog-calculator-radio-group input[type="radio"] {
+            cursor: pointer;
+            margin: 0;
+        }
+
+        .dog-calculator-container .dog-calculator-radio-group input[type="radio"]:checked + span {
+            font-weight: 600;
+            color: var(--accent-color);
+        }
+
+        .dog-calculator-container .dog-calculator-meal-input {
+            display: inline-flex;
+            align-items: center;
+            gap: 6px;
+            margin: 0 auto;
+        }
+
+        .dog-calculator-container .dog-calculator-meal-input span {
+            color: var(--text-secondary);
+            font-size: 0.95rem;
+        }
+
+        .dog-calculator-container .dog-calculator-meal-input input[type="number"] {
+            width: 50px;
+            padding: 4px 8px;
+            border: 1px solid var(--border-color);
+            border-radius: 4px;
+            font-size: 0.95rem;
+            color: var(--text-primary);
+            background: var(--bg-secondary);
+            text-align: center;
+        }
+
+        .dog-calculator-container .dog-calculator-meal-input input[type="number"]:focus {
+            outline: none;
+            border-color: var(--accent-color);
+            box-shadow: 0 0 0 2px rgba(241, 154, 95, 0.1);
+        }
+
+        /* Update meal note styling */
+        .dog-calculator-container #mealNote {
+            color: var(--text-secondary);
+            font-size: 0.9rem;
+            font-weight: normal;
+            margin-left: 4px;
+        }
+
+        /* Mobile responsive adjustments for feeding config */
+        @media (max-width: 480px) {
+            .dog-calculator-meal-input {
+                margin-left: 0;
+                width: 100%;
+                margin-top: 8px;
+            }
+            
+            .dog-calculator-frequency-row {
+                flex-direction: column;
+                align-items: flex-start;
+            }
+        }
+
         /* Dark theme - manual override */
diff --git a/src/css/themes.css b/src/css/themes.css
index 02ab12b..588201e 100644
--- a/src/css/themes.css
+++ b/src/css/themes.css
@@ -1,9 +1,13 @@
         .dog-calculator-container.theme-dark {
             --bg-primary: #24202d;
             --bg-secondary: #312b3b;
+            --bg-tertiary: #1f1b26;
             --border-color: #433c4f;
             --text-primary: #f5f3f7;
             --text-secondary: #b8b0c2;
+            --text-label: #9f94ae;
+            --success-color: #7fa464;
+            --error-color: #e87159;
             color: var(--text-primary);
         }
             
@@ -148,14 +152,55 @@
             color: var(--success-color);
         }
 
+        /* Dark theme feeding configuration styles */
+        .dog-calculator-container.theme-dark .dog-calculator-feeding-config {
+            background: var(--bg-tertiary);
+            border-color: var(--border-color);
+        }
+
+        .dog-calculator-container.theme-dark .dog-calculator-frequency-row > label {
+            color: var(--text-label);
+        }
+
+        .dog-calculator-container.theme-dark .dog-calculator-radio-group label {
+            color: var(--text-primary);
+        }
+
+        .dog-calculator-container.theme-dark .dog-calculator-radio-group input[type="radio"]:checked + span {
+            color: #f19a5f;
+        }
+
+        .dog-calculator-container.theme-dark .dog-calculator-meal-input span {
+            color: var(--text-secondary);
+        }
+
+        .dog-calculator-container.theme-dark .dog-calculator-meal-input input[type="number"] {
+            background: var(--bg-secondary);
+            border-color: var(--border-color);
+            color: var(--text-primary);
+        }
+
+        .dog-calculator-container.theme-dark .dog-calculator-meal-input input[type="number"]:focus {
+            border-color: #f19a5f;
+            box-shadow: 0 0 0 2px rgba(241, 154, 95, 0.15);
+        }
+
+        .dog-calculator-container.theme-dark #mealNote {
+            color: var(--text-secondary);
+        }
+
         /* System theme - follows user's OS preference */
         @media (prefers-color-scheme: dark) {
             .dog-calculator-container.theme-system {
                 --bg-primary: #24202d;
                 --bg-secondary: #312b3b;
+                --bg-tertiary: #1f1b26;
                 --border-color: #433c4f;
                 --text-primary: #f5f3f7;
                 --text-secondary: #b8b0c2;
+                --text-label: #9f94ae;
+                --success-color: #7fa464;
+                --error-color: #e87159;
                 color: var(--text-primary);
             }
             
@@ -299,6 +344,43 @@
                 border-color: var(--success-color);
                 color: var(--success-color);
             }
+
+            /* System theme feeding configuration styles in dark mode */
+            .dog-calculator-container.theme-system .dog-calculator-feeding-config {
+                background: var(--bg-tertiary);
+                border-color: var(--border-color);
+            }
+
+            .dog-calculator-container.theme-system .dog-calculator-frequency-row > label {
+                color: var(--text-label);
+            }
+
+            .dog-calculator-container.theme-system .dog-calculator-radio-group label {
+                color: var(--text-primary);
+            }
+
+            .dog-calculator-container.theme-system .dog-calculator-radio-group input[type="radio"]:checked + span {
+                color: #f19a5f;
+            }
+
+            .dog-calculator-container.theme-system .dog-calculator-meal-input span {
+                color: var(--text-secondary);
+            }
+
+            .dog-calculator-container.theme-system .dog-calculator-meal-input input[type="number"] {
+                background: var(--bg-secondary);
+                border-color: var(--border-color);
+                color: var(--text-primary);
+            }
+
+            .dog-calculator-container.theme-system .dog-calculator-meal-input input[type="number"]:focus {
+                border-color: #f19a5f;
+                box-shadow: 0 0 0 2px rgba(241, 154, 95, 0.15);
+            }
+
+            .dog-calculator-container.theme-system #mealNote {
+                color: var(--text-secondary);
+            }
         }
 
         /* Modal Styles */
diff --git a/src/index.html b/src/index.html
index e147178..77a5ebe 100644
--- a/src/index.html
+++ b/src/index.html
@@ -65,6 +65,28 @@
                         <span>Add another food source</span>
                     </button>
 
+                    <!-- Feeding Configuration -->
+                    <div class="dog-calculator-feeding-config" id="feedingConfig" style="display: none;">
+                        <div class="dog-calculator-frequency-row">
+                            <label>Show amounts:</label>
+                            <div class="dog-calculator-radio-group">
+                                <label>
+                                    <input type="radio" name="showAs" value="daily" id="showDaily" checked>
+                                    <span>Per day</span>
+                                </label>
+                                <label>
+                                    <input type="radio" name="showAs" value="meal" id="showPerMeal">
+                                    <span>Per meal</span>
+                                </label>
+                            </div>
+                            <div class="dog-calculator-meal-input" id="mealInputGroup" style="display: none;">
+                                <span>×</span>
+                                <input type="number" id="mealsPerDay" value="2" min="1" max="10">
+                                <span>meals/day</span>
+                            </div>
+                        </div>
+                    </div>
+
                     <!-- Per-Food Results -->
                     <div class="dog-calculator-food-results" id="foodBreakdownResults" style="display: none;">
                         <div id="foodBreakdownList">
@@ -100,7 +122,7 @@
                         <h4 class="dog-calculator-section-title">
                             Calculate amounts for 
                             <input type="number" id="days" min="1" step="1" value="1" placeholder="1" aria-describedby="daysHelp" class="dog-calculator-inline-days"> 
-                            <span id="dayLabel">day</span>:
+                            <span id="dayLabel">day</span><span id="mealNote" style="display: none;"></span>:
                         </h4>
                         <div id="daysError" class="dog-calculator-error dog-calculator-hidden">Please enter a valid number of days (minimum 1)</div>
                         <div id="foodAmountsList" class="dog-calculator-food-amounts-list">
diff --git a/src/js/calculator.js b/src/js/calculator.js
index 1101508..e75ac69 100644
--- a/src/js/calculator.js
+++ b/src/js/calculator.js
@@ -11,6 +11,8 @@
                 this.scale = this.getScaleFromURL() || CALCULATOR_CONFIG.defaultScale;
                 this.foodSources = [];
                 this.maxFoodSources = CALCULATOR_CONFIG.maxFoodSources;
+                this.mealsPerDay = 2;
+                this.showPerMeal = false;
                 this.init();
             }
 
@@ -765,6 +767,58 @@
 
                 if (addFoodBtn) addFoodBtn.addEventListener('click', () => this.addFoodSource());
 
+                // Feeding configuration event listeners
+                const showDaily = document.getElementById('showDaily');
+                const showPerMeal = document.getElementById('showPerMeal');
+                const mealsPerDayInput = document.getElementById('mealsPerDay');
+                const mealInputGroup = document.getElementById('mealInputGroup');
+
+                if (showDaily) {
+                    showDaily.addEventListener('change', () => {
+                        if (showDaily.checked) {
+                            this.showPerMeal = false;
+                            if (mealInputGroup) mealInputGroup.style.display = 'none';
+                            this.updateDayLabel();
+                            this.updateFoodCalculations();
+                        }
+                    });
+                }
+
+                if (showPerMeal) {
+                    showPerMeal.addEventListener('change', () => {
+                        if (showPerMeal.checked) {
+                            this.showPerMeal = true;
+                            if (mealInputGroup) mealInputGroup.style.display = 'inline-flex';
+                            this.updateDayLabel();
+                            this.updateFoodCalculations();
+                        }
+                    });
+                }
+
+                if (mealsPerDayInput) {
+                    mealsPerDayInput.addEventListener('input', () => {
+                        const meals = parseInt(mealsPerDayInput.value);
+                        if (meals && meals >= 1 && meals <= 10) {
+                            this.mealsPerDay = meals;
+                            if (this.showPerMeal) {
+                                this.updateDayLabel();
+                                this.updateFoodCalculations();
+                            }
+                        }
+                    });
+
+                    mealsPerDayInput.addEventListener('blur', () => {
+                        if (!mealsPerDayInput.value || parseInt(mealsPerDayInput.value) < 1) {
+                            mealsPerDayInput.value = 2;
+                            this.mealsPerDay = 2;
+                            if (this.showPerMeal) {
+                                this.updateDayLabel();
+                                this.updateFoodCalculations();
+                            }
+                        }
+                    });
+                }
+
                 // Modal event listeners
                 const shareBtn = document.getElementById('shareBtn');
                 const embedBtn = document.getElementById('embedBtn');
@@ -983,10 +1037,21 @@
             updateDayLabel() {
                 const days = document.getElementById('days')?.value;
                 const dayLabel = document.getElementById('dayLabel');
+                const mealNote = document.getElementById('mealNote');
                 if (dayLabel && days) {
                     const numDays = parseInt(days);
                     dayLabel.textContent = numDays === 1 ? 'day' : 'days';
                 }
+                if (mealNote) {
+                    if (this.showPerMeal && days) {
+                        const numDays = parseInt(days);
+                        const totalMeals = numDays * this.mealsPerDay;
+                        mealNote.textContent = ` (${totalMeals} meal${totalMeals === 1 ? '' : 's'} total)`;
+                        mealNote.style.display = 'inline';
+                    } else {
+                        mealNote.style.display = 'none';
+                    }
+                }
             }
 
             setActiveUnitButton(unit) {
@@ -1053,6 +1118,7 @@
                 const totalAmountDisplay = document.getElementById('totalAmountDisplay');
                 const foodBreakdownResults = document.getElementById('foodBreakdownResults');
                 const foodBreakdownList = document.getElementById('foodBreakdownList');
+                const feedingConfig = document.getElementById('feedingConfig');
 
                 if (!daysInput || !unitSelect || !dailyFoodResults || !dailyFoodValue || !foodAmountsSection) {
                     return;
@@ -1063,6 +1129,9 @@
                 const unitLabel = unit === 'g' ? 'g' : unit === 'kg' ? 'kg' : unit === 'oz' ? 'oz' : 'lb';
                 const decimals = unit === 'g' ? 0 : unit === 'kg' ? 2 : 1;
                 
+                // Determine frequency suffix for display
+                const frequencySuffix = this.showPerMeal ? '/meal' : '/day';
+                
                 // Clear all food source errors first
                 this.foodSources.forEach(fs => {
                     this.showError(`energy-error-${fs.id}`, false);
@@ -1075,6 +1144,7 @@
                     foodAmountsSection.style.display = 'none';
                     dailyFoodResults.style.display = 'none';
                     if (foodBreakdownResults) foodBreakdownResults.style.display = 'none';
+                    if (feedingConfig) feedingConfig.style.display = 'none';
                     
                     // Hide unit buttons when validation fails
                     const unitButtons = document.getElementById('unitButtons');
@@ -1096,11 +1166,17 @@
                         const dailyCaloriesForThisFood = (this.currentMER * fs.percentage) / 100;
                         const dailyGramsForThisFood = (dailyCaloriesForThisFood / energyPer100g) * 100;
                         
+                        // Calculate per-meal amounts if needed
+                        const displayGrams = this.showPerMeal ? dailyGramsForThisFood / this.mealsPerDay : dailyGramsForThisFood;
+                        const displayCalories = this.showPerMeal ? dailyCaloriesForThisFood / this.mealsPerDay : dailyCaloriesForThisFood;
+                        
                         foodBreakdowns.push({
                             name: fs.name,
                             percentage: fs.percentage,
                             dailyGrams: dailyGramsForThisFood,
+                            displayGrams: displayGrams,
                             calories: dailyCaloriesForThisFood,
+                            displayCalories: displayCalories,
                             isLocked: fs.isLocked,
                             hasEnergyContent: true
                         });
@@ -1113,7 +1189,9 @@
                             name: fs.name,
                             percentage: fs.percentage,
                             dailyGrams: 0,
+                            displayGrams: 0,
                             calories: 0,
+                            displayCalories: 0,
                             isLocked: fs.isLocked,
                             hasEnergyContent: false
                         });
@@ -1131,6 +1209,7 @@
                     
                     dailyFoodResults.style.display = 'none';
                     if (foodBreakdownResults) foodBreakdownResults.style.display = 'none';
+                    if (feedingConfig) feedingConfig.style.display = 'none';
                     
                     // Hide unit buttons when no valid foods
                     const unitButtons = document.getElementById('unitButtons');
@@ -1177,6 +1256,9 @@
                 // Update daily food results (total) - will be updated with proper units later
                 dailyFoodResults.style.display = 'block';
                 
+                // Show feeding configuration when we have valid foods
+                if (feedingConfig) feedingConfig.style.display = 'block';
+                
                 // Show unit buttons when daily results are shown
                 const unitButtons = document.getElementById('unitButtons');
                 if (unitButtons) unitButtons.style.display = 'flex';
@@ -1185,7 +1267,7 @@
                 if (foodBreakdownList && foodBreakdowns.length > 1) {
                     const breakdownHTML = foodBreakdowns.map(breakdown => {
                         const valueContent = breakdown.hasEnergyContent 
-                            ? `${this.formatNumber(this.convertUnits(breakdown.dailyGrams, unit), decimals)} ${unitLabel}/day`
+                            ? `${this.formatNumber(this.convertUnits(breakdown.displayGrams, unit), decimals)} ${unitLabel}${frequencySuffix}`
                             : `<span class="dog-calculator-warning" title="Enter energy content to calculate amount">⚠️</span>`;
                         
                         return `
@@ -1205,8 +1287,9 @@
                 // Generate individual food amount breakdown
                 
                 // Update daily food value with correct units
-                const convertedDailyTotal = this.convertUnits(totalDailyGrams, unit);
-                dailyFoodValue.textContent = this.formatNumber(convertedDailyTotal, decimals) + ` ${unitLabel}/day`;
+                const displayTotal = this.showPerMeal ? totalDailyGrams / this.mealsPerDay : totalDailyGrams;
+                const convertedTotal = this.convertUnits(displayTotal, unit);
+                dailyFoodValue.textContent = this.formatNumber(convertedTotal, decimals) + ` ${unitLabel}${frequencySuffix}`;
                 
                 // Build HTML for individual food amounts
                 const foodAmountsHTML = foodBreakdowns.map(breakdown => {
@@ -1227,7 +1310,11 @@
                             </div>
                         `;
                     } else {
-                        const totalGramsForDays = breakdown.dailyGrams * numDays;
+                        // For multi-day calculations: show total amount for all days
+                        // But if in per-meal mode, multiply by meals per day as well
+                        const totalGramsForDays = this.showPerMeal 
+                            ? (breakdown.dailyGrams / this.mealsPerDay) * numDays * this.mealsPerDay
+                            : breakdown.dailyGrams * numDays;
                         const convertedAmount = this.convertUnits(totalGramsForDays, unit);
                         
                         return `
diff --git a/sundog-dog-food-calculator.js b/sundog-dog-food-calculator.js
index d0b8953..e713eb5 100644
--- a/sundog-dog-food-calculator.js
+++ b/sundog-dog-food-calculator.js
@@ -462,14 +462,117 @@
             }
         }
 
+        /* Feeding Configuration Styles */
+        .dog-calculator-container .dog-calculator-feeding-config {
+            margin-top: 20px;
+            padding: 16px;
+            background: var(--bg-tertiary);
+            border: 1px solid var(--border-color);
+            border-radius: 8px;
+        }
+
+        .dog-calculator-container .dog-calculator-frequency-row {
+            display: flex;
+            align-items: center;
+            gap: 16px;
+            flex-wrap: wrap;
+        }
+
+        .dog-calculator-container .dog-calculator-frequency-row > label {
+            font-weight: 500;
+            color: var(--text-label);
+            margin: 0;
+        }
+
+        .dog-calculator-container .dog-calculator-radio-group {
+            display: flex;
+            gap: 20px;
+            align-items: center;
+        }
+
+        .dog-calculator-container .dog-calculator-radio-group label {
+            display: flex;
+            align-items: center;
+            gap: 6px;
+            cursor: pointer;
+            color: var(--text-primary);
+            font-size: 0.95rem;
+        }
+
+        .dog-calculator-container .dog-calculator-radio-group input[type="radio"] {
+            cursor: pointer;
+            margin: 0;
+        }
+
+        .dog-calculator-container .dog-calculator-radio-group input[type="radio"]:checked + span {
+            font-weight: 600;
+            color: var(--accent-color);
+        }
+
+        .dog-calculator-container .dog-calculator-meal-input {
+            display: inline-flex;
+            align-items: center;
+            justify-content: center;
+            gap: 6px;
+            margin-left: auto;
+        }
+
+        .dog-calculator-container .dog-calculator-meal-input span {
+            color: var(--text-secondary);
+            font-size: 0.95rem;
+        }
+
+        .dog-calculator-container .dog-calculator-meal-input input[type="number"] {
+            width: 50px;
+            padding: 4px 8px;
+            border: 1px solid var(--border-color);
+            border-radius: 4px;
+            font-size: 0.95rem;
+            color: var(--text-primary);
+            background: var(--bg-secondary);
+            text-align: center;
+        }
+
+        .dog-calculator-container .dog-calculator-meal-input input[type="number"]:focus {
+            outline: none;
+            border-color: var(--accent-color);
+            box-shadow: 0 0 0 2px rgba(241, 154, 95, 0.1);
+        }
+
+        /* Update meal note styling */
+        .dog-calculator-container #mealNote {
+            color: var(--text-secondary);
+            font-size: 0.9rem;
+            font-weight: normal;
+            margin-left: 4px;
+        }
+
+        /* Mobile responsive adjustments for feeding config */
+        @media (max-width: 480px) {
+            .dog-calculator-meal-input {
+                margin-left: 0;
+                width: 100%;
+                margin-top: 8px;
+            }
+            
+            .dog-calculator-frequency-row {
+                flex-direction: column;
+                align-items: flex-start;
+            }
+        }
+
         /* Dark theme - manual override */
 
 .dog-calculator-container.theme-dark {
             --bg-primary: #24202d;
             --bg-secondary: #312b3b;
+            --bg-tertiary: #1f1b26;
             --border-color: #433c4f;
             --text-primary: #f5f3f7;
             --text-secondary: #b8b0c2;
+            --text-label: #9f94ae;
+            --success-color: #7fa464;
+            --error-color: #e87159;
             color: var(--text-primary);
         }
             
@@ -614,14 +717,55 @@
             color: var(--success-color);
         }
 
+        /* Dark theme feeding configuration styles */
+        .dog-calculator-container.theme-dark .dog-calculator-feeding-config {
+            background: var(--bg-tertiary);
+            border-color: var(--border-color);
+        }
+
+        .dog-calculator-container.theme-dark .dog-calculator-frequency-row > label {
+            color: var(--text-label);
+        }
+
+        .dog-calculator-container.theme-dark .dog-calculator-radio-group label {
+            color: var(--text-primary);
+        }
+
+        .dog-calculator-container.theme-dark .dog-calculator-radio-group input[type="radio"]:checked + span {
+            color: #f19a5f;
+        }
+
+        .dog-calculator-container.theme-dark .dog-calculator-meal-input span {
+            color: var(--text-secondary);
+        }
+
+        .dog-calculator-container.theme-dark .dog-calculator-meal-input input[type="number"] {
+            background: var(--bg-secondary);
+            border-color: var(--border-color);
+            color: var(--text-primary);
+        }
+
+        .dog-calculator-container.theme-dark .dog-calculator-meal-input input[type="number"]:focus {
+            border-color: #f19a5f;
+            box-shadow: 0 0 0 2px rgba(241, 154, 95, 0.15);
+        }
+
+        .dog-calculator-container.theme-dark #mealNote {
+            color: var(--text-secondary);
+        }
+
         /* System theme - follows user's OS preference */
         @media (prefers-color-scheme: dark) {
             .dog-calculator-container.theme-system {
                 --bg-primary: #24202d;
                 --bg-secondary: #312b3b;
+                --bg-tertiary: #1f1b26;
                 --border-color: #433c4f;
                 --text-primary: #f5f3f7;
                 --text-secondary: #b8b0c2;
+                --text-label: #9f94ae;
+                --success-color: #7fa464;
+                --error-color: #e87159;
                 color: var(--text-primary);
             }
             
@@ -765,6 +909,43 @@
                 border-color: var(--success-color);
                 color: var(--success-color);
             }
+
+            /* System theme feeding configuration styles in dark mode */
+            .dog-calculator-container.theme-system .dog-calculator-feeding-config {
+                background: var(--bg-tertiary);
+                border-color: var(--border-color);
+            }
+
+            .dog-calculator-container.theme-system .dog-calculator-frequency-row > label {
+                color: var(--text-label);
+            }
+
+            .dog-calculator-container.theme-system .dog-calculator-radio-group label {
+                color: var(--text-primary);
+            }
+
+            .dog-calculator-container.theme-system .dog-calculator-radio-group input[type="radio"]:checked + span {
+                color: #f19a5f;
+            }
+
+            .dog-calculator-container.theme-system .dog-calculator-meal-input span {
+                color: var(--text-secondary);
+            }
+
+            .dog-calculator-container.theme-system .dog-calculator-meal-input input[type="number"] {
+                background: var(--bg-secondary);
+                border-color: var(--border-color);
+                color: var(--text-primary);
+            }
+
+            .dog-calculator-container.theme-system .dog-calculator-meal-input input[type="number"]:focus {
+                border-color: #f19a5f;
+                box-shadow: 0 0 0 2px rgba(241, 154, 95, 0.15);
+            }
+
+            .dog-calculator-container.theme-system #mealNote {
+                color: var(--text-secondary);
+            }
         }
 
         /* Modal Styles */
@@ -1890,6 +2071,8 @@ const CALCULATOR_CONFIG = {
                 this.scale = this.getScaleFromURL() || CALCULATOR_CONFIG.defaultScale;
                 this.foodSources = [];
                 this.maxFoodSources = CALCULATOR_CONFIG.maxFoodSources;
+                this.mealsPerDay = 2;
+                this.showPerMeal = false;
                 this.init();
             }
 
@@ -1962,6 +2145,28 @@ const CALCULATOR_CONFIG = {
                         <span>Add another food source</span>
                     </button>
 
+                    <!-- Feeding Configuration -->
+                    <div class="dog-calculator-feeding-config" id="feedingConfig" style="display: none;">
+                        <div class="dog-calculator-frequency-row">
+                            <label>Show amounts:</label>
+                            <div class="dog-calculator-radio-group">
+                                <label>
+                                    <input type="radio" name="showAs" value="daily" id="showDaily" checked>
+                                    <span>Per day</span>
+                                </label>
+                                <label>
+                                    <input type="radio" name="showAs" value="meal" id="showPerMeal">
+                                    <span>Per meal</span>
+                                </label>
+                            </div>
+                            <div class="dog-calculator-meal-input" id="mealInputGroup" style="display: none;">
+                                <span>×</span>
+                                <input type="number" id="mealsPerDay" value="2" min="1" max="10">
+                                <span>meals/day</span>
+                            </div>
+                        </div>
+                    </div>
+
                     <!-- Per-Food Results -->
                     <div class="dog-calculator-food-results" id="foodBreakdownResults" style="display: none;">
                         <div id="foodBreakdownList">
@@ -1997,7 +2202,7 @@ const CALCULATOR_CONFIG = {
                         <h4 class="dog-calculator-section-title">
                             Calculate amounts for 
                             <input type="number" id="days" min="1" step="1" value="1" placeholder="1" aria-describedby="daysHelp" class="dog-calculator-inline-days"> 
-                            <span id="dayLabel">day</span>:
+                            <span id="dayLabel">day</span><span id="mealNote" style="display: none;"></span>:
                         </h4>
                         <div id="daysError" class="dog-calculator-error dog-calculator-hidden">Please enter a valid number of days (minimum 1)</div>
                         <div id="foodAmountsList" class="dog-calculator-food-amounts-list">
@@ -2840,6 +3045,58 @@ const CALCULATOR_CONFIG = {
 
                 if (addFoodBtn) addFoodBtn.addEventListener('click', () => this.addFoodSource());
 
+                // Feeding configuration event listeners
+                const showDaily = this.container.querySelector('#showDaily');
+                const showPerMeal = this.container.querySelector('#showPerMeal');
+                const mealsPerDayInput = this.container.querySelector('#mealsPerDay');
+                const mealInputGroup = this.container.querySelector('#mealInputGroup');
+
+                if (showDaily) {
+                    showDaily.addEventListener('change', () => {
+                        if (showDaily.checked) {
+                            this.showPerMeal = false;
+                            if (mealInputGroup) mealInputGroup.style.display = 'none';
+                            this.updateDayLabel();
+                            this.updateFoodCalculations();
+                        }
+                    });
+                }
+
+                if (showPerMeal) {
+                    showPerMeal.addEventListener('change', () => {
+                        if (showPerMeal.checked) {
+                            this.showPerMeal = true;
+                            if (mealInputGroup) mealInputGroup.style.display = 'inline-flex';
+                            this.updateDayLabel();
+                            this.updateFoodCalculations();
+                        }
+                    });
+                }
+
+                if (mealsPerDayInput) {
+                    mealsPerDayInput.addEventListener('input', () => {
+                        const meals = parseInt(mealsPerDayInput.value);
+                        if (meals && meals >= 1 && meals <= 10) {
+                            this.mealsPerDay = meals;
+                            if (this.showPerMeal) {
+                                this.updateDayLabel();
+                                this.updateFoodCalculations();
+                            }
+                        }
+                    });
+
+                    mealsPerDayInput.addEventListener('blur', () => {
+                        if (!mealsPerDayInput.value || parseInt(mealsPerDayInput.value) < 1) {
+                            mealsPerDayInput.value = 2;
+                            this.mealsPerDay = 2;
+                            if (this.showPerMeal) {
+                                this.updateDayLabel();
+                                this.updateFoodCalculations();
+                            }
+                        }
+                    });
+                }
+
                 // Modal event listeners
                 const shareBtn = this.container.querySelector('#shareBtn');
                 const embedBtn = this.container.querySelector('#embedBtn');
@@ -3058,10 +3315,21 @@ const CALCULATOR_CONFIG = {
             updateDayLabel() {
                 const days = this.container.querySelector('#days')?.value;
                 const dayLabel = this.container.querySelector('#dayLabel');
+                const mealNote = this.container.querySelector('#mealNote');
                 if (dayLabel && days) {
                     const numDays = parseInt(days);
                     dayLabel.textContent = numDays === 1 ? 'day' : 'days';
                 }
+                if (mealNote) {
+                    if (this.showPerMeal && days) {
+                        const numDays = parseInt(days);
+                        const totalMeals = numDays * this.mealsPerDay;
+                        mealNote.textContent = ` (${totalMeals} meal${totalMeals === 1 ? '' : 's'} total)`;
+                        mealNote.style.display = 'inline';
+                    } else {
+                        mealNote.style.display = 'none';
+                    }
+                }
             }
 
             setActiveUnitButton(unit) {
@@ -3128,6 +3396,7 @@ const CALCULATOR_CONFIG = {
                 const totalAmountDisplay = this.container.querySelector('#totalAmountDisplay');
                 const foodBreakdownResults = this.container.querySelector('#foodBreakdownResults');
                 const foodBreakdownList = this.container.querySelector('#foodBreakdownList');
+                const feedingConfig = this.container.querySelector('#feedingConfig');
 
                 if (!daysInput || !unitSelect || !dailyFoodResults || !dailyFoodValue || !foodAmountsSection) {
                     return;
@@ -3138,6 +3407,9 @@ const CALCULATOR_CONFIG = {
                 const unitLabel = unit === 'g' ? 'g' : unit === 'kg' ? 'kg' : unit === 'oz' ? 'oz' : 'lb';
                 const decimals = unit === 'g' ? 0 : unit === 'kg' ? 2 : 1;
                 
+                // Determine frequency suffix for display
+                const frequencySuffix = this.showPerMeal ? '/meal' : '/day';
+                
                 // Clear all food source errors first
                 this.foodSources.forEach(fs => {
                     this.showError(`energy-error-${fs.id}`, false);
@@ -3150,6 +3422,7 @@ const CALCULATOR_CONFIG = {
                     foodAmountsSection.style.display = 'none';
                     dailyFoodResults.style.display = 'none';
                     if (foodBreakdownResults) foodBreakdownResults.style.display = 'none';
+                    if (feedingConfig) feedingConfig.style.display = 'none';
                     
                     // Hide unit buttons when validation fails
                     const unitButtons = this.container.querySelector('#unitButtons');
@@ -3171,11 +3444,17 @@ const CALCULATOR_CONFIG = {
                         const dailyCaloriesForThisFood = (this.currentMER * fs.percentage) / 100;
                         const dailyGramsForThisFood = (dailyCaloriesForThisFood / energyPer100g) * 100;
                         
+                        // Calculate per-meal amounts if needed
+                        const displayGrams = this.showPerMeal ? dailyGramsForThisFood / this.mealsPerDay : dailyGramsForThisFood;
+                        const displayCalories = this.showPerMeal ? dailyCaloriesForThisFood / this.mealsPerDay : dailyCaloriesForThisFood;
+                        
                         foodBreakdowns.push({
                             name: fs.name,
                             percentage: fs.percentage,
                             dailyGrams: dailyGramsForThisFood,
+                            displayGrams: displayGrams,
                             calories: dailyCaloriesForThisFood,
+                            displayCalories: displayCalories,
                             isLocked: fs.isLocked,
                             hasEnergyContent: true
                         });
@@ -3188,7 +3467,9 @@ const CALCULATOR_CONFIG = {
                             name: fs.name,
                             percentage: fs.percentage,
                             dailyGrams: 0,
+                            displayGrams: 0,
                             calories: 0,
+                            displayCalories: 0,
                             isLocked: fs.isLocked,
                             hasEnergyContent: false
                         });
@@ -3206,6 +3487,7 @@ const CALCULATOR_CONFIG = {
                     
                     dailyFoodResults.style.display = 'none';
                     if (foodBreakdownResults) foodBreakdownResults.style.display = 'none';
+                    if (feedingConfig) feedingConfig.style.display = 'none';
                     
                     // Hide unit buttons when no valid foods
                     const unitButtons = this.container.querySelector('#unitButtons');
@@ -3252,6 +3534,9 @@ const CALCULATOR_CONFIG = {
                 // Update daily food results (total) - will be updated with proper units later
                 dailyFoodResults.style.display = 'block';
                 
+                // Show feeding configuration when we have valid foods
+                if (feedingConfig) feedingConfig.style.display = 'block';
+                
                 // Show unit buttons when daily results are shown
                 const unitButtons = this.container.querySelector('#unitButtons');
                 if (unitButtons) unitButtons.style.display = 'flex';
@@ -3260,7 +3545,7 @@ const CALCULATOR_CONFIG = {
                 if (foodBreakdownList && foodBreakdowns.length > 1) {
                     const breakdownHTML = foodBreakdowns.map(breakdown => {
                         const valueContent = breakdown.hasEnergyContent 
-                            ? `${this.formatNumber(this.convertUnits(breakdown.dailyGrams, unit), decimals)} ${unitLabel}/day`
+                            ? `${this.formatNumber(this.convertUnits(breakdown.displayGrams, unit), decimals)} ${unitLabel}${frequencySuffix}`
                             : `<span class="dog-calculator-warning" title="Enter energy content to calculate amount">⚠️</span>`;
                         
                         return `
@@ -3280,8 +3565,9 @@ const CALCULATOR_CONFIG = {
                 // Generate individual food amount breakdown
                 
                 // Update daily food value with correct units
-                const convertedDailyTotal = this.convertUnits(totalDailyGrams, unit);
-                dailyFoodValue.textContent = this.formatNumber(convertedDailyTotal, decimals) + ` ${unitLabel}/day`;
+                const displayTotal = this.showPerMeal ? totalDailyGrams / this.mealsPerDay : totalDailyGrams;
+                const convertedTotal = this.convertUnits(displayTotal, unit);
+                dailyFoodValue.textContent = this.formatNumber(convertedTotal, decimals) + ` ${unitLabel}${frequencySuffix}`;
                 
                 // Build HTML for individual food amounts
                 const foodAmountsHTML = foodBreakdowns.map(breakdown => {
@@ -3302,7 +3588,11 @@ const CALCULATOR_CONFIG = {
                             </div>
                         `;
                     } else {
-                        const totalGramsForDays = breakdown.dailyGrams * numDays;
+                        // For multi-day calculations: show total amount for all days
+                        // But if in per-meal mode, multiply by meals per day as well
+                        const totalGramsForDays = this.showPerMeal 
+                            ? (breakdown.dailyGrams / this.mealsPerDay) * numDays * this.mealsPerDay
+                            : breakdown.dailyGrams * numDays;
                         const convertedAmount = this.convertUnits(totalGramsForDays, unit);
                         
                         return `