Pizza Party Calculator
How many pizzas you need to feed everyone, and the minimum oven size to do it.
Pizza size
Your party math
Pizzas to make
3
24 slices total · ~8 slices per 12" pie
Active cook time
~6 min
Min oven size
12"
Pizza ovens that fit your size
Ninja
Ninja Artisan Electric Outdoor Pizza Oven with Stone | 12-inch Pizza in 3-minutes | 700F Max Temp | 5-in-1 Functionality – Pizza, Bake, Broil, Proof & Warm | Makes Full Meals | Gray | MO201
ooni
Ooni Koda 16 Gas Powered Pizza Oven – 28mbar Propane Outdoor Oven, Portable Pizza Oven For Fire and Stonebaked 16 Inch Pizzas, With Gas Hose & Regulator, Countertop Pizza Maker, Outdoor Pizza Cooker
Ninja
Ninja Woodfire Outdoor Pizza Oven, 8-in-1 Portable Electric Roaster Oven, Heats up to 700°F, 5 Artisan Pizza Settings, Integrated BBQ Smoker Box, Includes Flavored Wood Pellets, Terracotta Red
HALO
HALO Versa 16 Pizza Oven | 16” Rotating Stone, Patented Dual Burner System, 5-Minute Pizzas, Easy Clean | Propane Powered | HZ-1004-ANA
How this works
How many slices in a pizza?
A 12" pizza yields 8 standard slices; 14" also 8 (but bigger); 16" yields 10. Square Detroit-style pies are cut into 8 squares per 10×14 pan.
How many pizzas per person?
Adults average 3 slices, kids 1-2. Heavy eaters or pizza-as-main-meal: bump to 4. Lots of sides or salad: drop to 2. Always over-shoot — leftover pizza is universally welcomed.
How fast can a backyard pizza oven cook?
At 850-950°F (Ooni Karu, Gozney Roccbox class), 60-90 seconds per pizza. Allowing time to recover heat between bakes, plan ~2 minutes per pizza throughput.
How big an oven do I need for a party?
For 8-12 guests, a 12" oven is fine — you'll be making 6-12 pizzas, takes 15-25 min. For 20+ guests or 16"+ pies, consider larger ovens like Gozney Dome or Ooni Karu 16.