Portion Size Calculator
Free portion size calculator for meal prep. Calculate servings, scale recipes, and determine proper portion sizes for weight loss and healthy eating.
CL
CalcLeap Editorial Team
Reviewed by certified professionals · Last updated April 1, 2026
Calculate serving sizes for meal prep and healthy eating
Calculate Portion Sizes
Portion Breakdown
Recommended Portion Sizes
| Food Group | Recommended Serving | Visual Guide |
|---|---|---|
| Protein (meat, fish) | 100-150g (3-5 oz) | Deck of cards |
| Carbs (rice, pasta) | 150-200g cooked | Your fist |
| Vegetables | 200-300g | Two handfuls |
| Fruits | 150g (1 medium fruit) | Tennis ball |
| Healthy Fats | 15-30g (1-2 tbsp) | Your thumb |
Meal Prep Tips
- Use a food scale for accurate portions
- Prep containers with divided sections for balanced meals
- Cook in bulk and portion immediately while food is still hot
- Label containers with date and calorie count
- Store proteins and carbs separately from vegetables for better freshness
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