Free Tool · Quick Math
How many pizzas? Solved.
Built by a venue owner who's fed thousands of guests. Adults, kids, slice-cut, appetite — sorted in one breath.
Order
8
pizzas (60 slices)
How many pizzas for 10, 20, 30, 40 or 50 people?
Large 8-slice pizzas, normal appetite — 3 slices per adult, 2 per kid.
| Guests | Adults | Kids |
|---|---|---|
| 10 people | 4 large pizzas | 3 large pizzas |
| 20 people | 8 large pizzas | 5 large pizzas |
| 30 people | 12 large pizzas | 8 large pizzas |
| 40 people | 15 large pizzas | 10 large pizzas |
| 50 people | 19 large pizzas | 13 large pizzas |
FAQ
How many pizzas for 10 people?
For 10 adults, order 4 large (8-slice) pizzas — that's 30 slices at 3 slices each. For 10 kids, 3 large pizzas is plenty.
How many pizzas for 20 people?
For 20 adults, order 8 large pizzas (60 slices at 3 slices each). For 20 kids, 5 large pizzas covers it.
How many pizzas for 30 people?
For 30 adults, order 12 large pizzas (90 slices). For 30 kids, 8 large pizzas is the safe number.
How many pizzas for 40 people?
For 40 adults, order 15 large pizzas (120 slices). For 40 kids, 10 large pizzas works.
How many pizzas for 50 people?
For 50 adults, order 19 large pizzas (150 slices). For 50 kids, 13 large pizzas is enough.
How many slices in a large pizza?
Most large pizzas are cut into 8 slices. Some chains (like Domino's) cut 8, while New York-style is often 6 or 8 large slices.