Party Servings Calculator

Estimate how much food to prepare for a party from guest count and serving size.

Usage Tip

Buffets need a bit more per head than plated meals because people over-serve.

Food Needed
kg
Total to prepare
THE MATH
total food = guests × per-person amount
A main course runs about 250 g per person; sides and appetisers less.
Add a 10–15% buffer for big eaters and second helpings.
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The calculators and tools on Formula Factory are provided for general guidance and informational purposes only. Results are estimates based on standard formulas and the values you enter — they do not constitute professional engineering, electrical, or architectural advice. Always verify calculations with a qualified professional before making decisions for any safety-critical, code-compliance, or commercial application. Formula Factory makes no representations or warranties as to the accuracy or completeness of any result, and accepts no liability for errors, omissions, or any outcomes arising from reliance on this information.