Pizza Oven Preheat Calculator

How it works

preheat = air heat-up + stone soak · air heat-up = (target − start) ÷ rate · soak ≈ 20 min per ½ inch of stone

The air in an oven reaches temperature long before the baking surface does, and it is the hot stone or steel that gives a pizza its crisp, blistered base by dumping heat into the dough on contact. So the real preheat is dominated by soaking that mass, not by the thermostat clicking off. A dense baking steel or a thick masonry deck stores more heat and needs a longer soak but then holds temperature better between pizzas. Heat-up rate varies with oven type: dedicated gas pizza ovens climb fast, home ovens are slow, and thick surfaces always add soak time on top.

Worked example

A home oven with a half-inch stone going from 70°F to 500°F: the air reaches temperature in about 43 minutes at roughly 10°F per minute, and the stone needs about 20 minutes of soak — so allow around an hour before the first pizza. Swap in a one-inch steel and the soak roughly doubles, pushing the total past an hour and a quarter.

Frequently asked questions