Portion Size Calculator
Calculate food portion sizes and scale recipe ingredients to feed any number of guests or meal servings.
Use the Portion Size Calculator
Recipe Settings
Ingredients
Fill in the form and click Scale Recipe
Scaled Ingredients
Summary
Calculate food portion sizes and scale recipe ingredients to feed any number of guests or meal servings.
How it works
- Enter the original number of servings or base portion count.
- Enter your target guest headcount or desired meal prep portions.
- Add each ingredient with its portion amount and unit (grams, oz, cups).
- Click "Scale Recipe" to calculate exact per-person and total quantities.
- Copy or print the calculated portion guide for cooking or catering.
Use cases
- Cook for a crowd by doubling or tripling a favorite recipe.
- Scale down a large batch recipe when cooking for one or two.
- Prepare meal-prep portions that match your weekly macro targets.
- Convert a restaurant recipe to a home serving size.
- Adjust a baking recipe without error-prone manual fractions.
- Plan catering quantities for events with a known headcount.
Frequently Asked Questions
Last updated: 2026-09-22 ·
Reviewed by Nham Vu