Serving Size Calculator — Accurate Food Portions & Nutrition Estimates

Serving Size Calculator

Calculate serving sizes, portion measurements, and nutritional information for your recipes. Get precise food portioning for any meal or event.

Step 1: Event Details

Portion Guidelines

Standard serving sizes vary by food type. Consider your guests’ age, activity level, and whether other dishes will be served.

Step 2: Food Details

SERVINGS

Serving Tips

For buffets, plan for 1.5x standard servings. Children typically eat half of adult portions. Always consider dietary restrictions.

Serving Size Calculation Results

Summary
Nutrition Info
Cost Breakdown

Total Food Required

48 oz
Total Cost: $24.00
Servings Needed
8 servings
Per Person
6 oz
Recipe Scale
2.0x
Preparation
Moderate

Nutritional Information (Per Serving)

Calories
350
kcal
Protein
25g
grams
Carbs
30g
grams
Fat
15g
grams

Nutrition Guidelines

Based on USDA recommendations. Values vary by specific ingredients. Always check labels for accurate nutritional information.

Food Cost & Portion Breakdown

Serving Calculation Formula

Total Food = (People × Serving Size × Appetite Factor) × Waste Factor

Multiply number of people by standard serving size. Adjust for appetite level (light: 0.8x, moderate: 1x, hearty: 1.2x). Add waste/leftover factor for total amount needed.

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