Portion Size Calculator
Use this portion size calculator to estimate portions from total food and serving size. Enter total quantity, serving size and number of people and review servings and amount per person.
Total food needed
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In pounds —
In kilograms —
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How it works
Total needed = per-person portion × number of guests, with a buffer for secondsHow to use the Portion Size Calculator
Start by entering total quantity, serving size and number of people. Keep the units consistent and check that each value belongs to the same question.
The result gives servings and amount per person. Appetite, age and the type of food affect practical portions. Use it as a guide and check any instructions, rules or professional advice that apply.
Frequently Asked Questions
What does this portion size calculator calculate?
It gives servings and amount per person. Appetite, age and the type of food affect practical portions.
What information should I enter?
Enter total quantity, serving size and number of people. Use the same units throughout so the result is easier to understand.
Can I use this for meal planning?
Yes. Use it as a starting point and adjust for the people being served.