Dessert Calculator — Portions & Quantities
Work out dessert portions and quantities for your event.
Total number of people attending
Dessert style
Portion size
Number of varieties
Amount in pounds sterling
How We Calculate This
This calculator estimates dessert quantities assuming 85% of guests eat dessert.
Formula
- Portions = guests x 85%
- Total weight = portions x portion size
- Per variety = portions / number of varieties
Frequently Asked Questions
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Last updated: February 2026
All calculations are estimates. Adjust quantities based on your guests and event type.