Children's Party Food Calculator — How Much Food for a Kids' Party
Calculate food quantities for children's parties by age group, party duration, and meal type. Get sandwiches, snacks, cake, fruit, and drink amounts.
Select the age group for your calculation
Select the meal type for your calculation
How We Calculate This
This calculator uses base portion sizes for a standard 2-hour party (aged 5-7), then adjusts quantities based on the age group, party duration, meal format, and spare allowance.
Base portions (per child, 2 hours, age 5-7)
- Sandwiches: 2 (small triangles or fingers)
- Crisps: 1 small packet
- Fruit: 1 portion
- Cake: 1 slice
- Drinks: 2 (juice boxes or cups)
- Savoury snacks: 2 items
- Sweet treats: 2 items
Age adjustments
- 2-4 years: 60% of base
- 5-7 years: 100% (base)
- 8-10 years: 130% of base
- 11-13 years: 160% of base
Frequently Asked Questions
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Last updated: March 2026
All calculations are based on standard ratios and conversions. Results may vary with specific ingredients, equipment, and conditions.