Pizza Party Calculator

Food

Pizza Party Calculator estimates pizzas needed for a group gathering. Formula: Pizzas = ⌈(guests × slices/person) ÷ slices/pizza⌉.

Formula

Pizzas = ⌈(guests × slices/person) ÷ slices/pizza⌉
  • Standard pizza: 8 slices; large: 10-12 slices
  • Main meal: 2-4 slices/person; appetizer: 1-2 slices
  • Account for variety: cheese, pepperoni, vegetarian mix

20 guests, 3 slices each, 8 per pizza

Inputs
  • Number of Guests: 20
  • Slices per Person: 3
  • Slices per Pizza: 8
  • Meal Type: main

Total = 20 × 3 = 60 slices. Pizzas = ⌈60 ÷ 8⌉ = 8 pizzas

Frequently asked questions

How many slices should each guest get?
Main meal: 2-4 slices; appetizer/casual: 1-2 slices; children: 2-3 slices
Should I order extra?
Yes, always order 1 extra for unexpected guests or enthusiastic eaters