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Catering Quantity Calculator

Available

Estimate how much food to prepare for a number of guests, with a safety margin.

Use the calculator

The numbers below are examples. Replace them with yours. Everything is worked out in your browser.

About this calculator

Estimate how much food to prepare for an event. Enter the number of guests and the portion for one guest, add a safety margin, and get the total in kilograms, pounds and grams.

How it works

  • The total is guests times the portion per guest, times (1 plus the extra divided by 100).
  • Work out each dish separately, with its own portion size.
  • Buy by raw weight when you can, because cooking changes weight.

Common questions

How big is a portion?

It depends on the dish, the meal and your guests. Use your own experience or your caterer's guidance for the portion you enter.

How much extra should I add?

Ten percent is a common cushion. Add more for events where people tend to take second helpings.

Estimates only. Check important numbers before you rely on them.

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