Buffet Calculator — Balanced Spread
Plan a balanced buffet spread with the right portions per guest.
Number of adult guests
Number of children attending
Number of dishes
Budget allocated per person
How We Calculate This
This calculator estimates total buffet food and per-dish quantities using UK catering guidelines.
Formula
- Savoury food = 225g per person (midpoint of 200-250g guideline)
- Sweet food = 100g per person
- Total food = effective adults x 325g
- Per dish = total food / number of dishes
- Sandwiches = effective adults x 3.5
- Children = 60% of adult portions
Frequently Asked Questions
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Last updated: February 2026
All calculations are estimates. Adjust quantities based on your guests and event type.