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Food Portion Calculator Per Person

Calculate how much pasta, rice, pizza, BBQ, cake, salad, and more you need for any group size. Get a practical serving estimate and shopping list in seconds.

What this calculator is for: planning food for groups, parties, events, catering, buffets, weddings, and shared meals—not nutrition, calorie, pet-food, or math proportion calculations.

  • Works offline
  • US and metric units
  • Print a shopping list
  • Mobile friendly
Guest presets:

Kids are counted as about 60% of an adult portion. Appetite and leftover adjustments are shown in the result.

Estimate for 10 guests - Pasta
Total needed
2.43 lb dry (5.46 lb cooked)
Per person
3.5 oz dry per adult
Suggested purchase
2.76 lb to buy
Leftover plan
3.5 oz extra for leftovers

Shopping list

  • Dry pasta2.76 lb
  • Pasta sauce5.5 cups
  • Parmesan cheese5.3 oz

Info: 75–100g dry pasta per adult for a main dish. Cooked weight ~2.25× dry.

Info: Main-dish mode uses 100 g dry pasta per adult.

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How it works

1

Choose a food

Pick from pasta, rice, BBQ, cake, party food, and 40+ options.

2

Enter your guests

Add adults and kids, then choose appetite and leftovers.

3

Get your quantities

See the total, per-person amount, and shopping list instantly.

Planning food for a crowd?

Whether you are hosting 10 friends, a 200-person wedding or a week-long group trip, PortionPal turns people and meal occasions into practical quantities. Start with the calculator that matches the food or event.

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Frequently asked questions

How accurate is the portion calculator?

It uses common catering and home-cooking averages. Adjust for your guests, cuisine, menu, and event length.

Is the calculator free?

Yes. Every calculator is free, requires no login, and works on any device.

Do you store my data?

No. Calculations run in your browser, and recent results are saved only on your device.

How much food do I need per person?

Choose a food and enter the number of adults and kids. The calculator applies a suitable per-person serving and your appetite and leftovers settings.