How Big Is a 10 Inch Pizza?

A 10-inch pizza is 25 cm across with about 79 square inches of pizza, usually cut into 6 slices. It is a 'small' at most chains and feeds 1–2 people.

Short answer: A 10-inch pizza is about 25 cm across and has roughly 79 square inches of pizza. It is usually cut into 6 slices, counts as a small at most US chains, and feeds one hungry adult or two light eaters.

10-inch pizza in numbers

Measure10-inch pizza
Diameter10 in = 25.4 cm
Area78.5 sq in = 507 cm²
Typical slices6 (sometimes 4 or 8)
Feeds1–2 people
Chain size nameSmall (Domino's, Papa John's and most others)
Box10 × 10 × 1.75 in

10 inch vs other sizes

PizzaAreavs 10-inch
7-inch personal38 sq inabout half
10-inch small79 sq in—
12-inch medium113 sq in44% more
14-inch large154 sq inalmost twice as much
16-inch extra-large201 sq inabout 2.5 times

The jump from 10 to 12 inches looks small but adds 44% more pizza. A 14-inch large is nearly two 10-inch smalls. That is why smalls are rarely the best value per square inch. Compare any two orders with the pizza size calculator.

How many people does a 10-inch pizza feed?

  • One adult as a full meal, often with a slice or two left over.
  • Two adults if there are sides (wings, salad, breadsticks).
  • Two or three young children.

Six slices of a 10-inch pizza are about the same as four slices of a 14-inch large, because each 10-inch slice is smaller (about 13 sq in vs 19 sq in). For a group, use the pizza party calculator.

How big is a 10-inch pizza in real life?

About the size of a standard dinner plate (10–11 inches) or a vinyl LP sleeve minus two inches. It fits in most toaster ovens and many air fryer ovens, but not in a typical basket air fryer.

Math problem: “A pizza shop sells pizzas that are 10 inches…”

School problems often ask you to compare a 10-inch pizza with a bigger one. The method is always the same:

  1. Radius = diameter ÷ 2. For a 10-inch pizza, r = 5 in.
  2. Area = π × r² = 3.14 × 25 ≈ 78.5 sq in.
  3. Circumference (crust length) = π × d = 3.14 × 10 ≈ 31.4 in.
  4. Price per square inch = price ÷ area. A $10 small costs about 12.7¢ per sq in; a $16 large (154 sq in) costs about 10.4¢.

Doubling the diameter quadruples the area: a 20-inch pizza is four times a 10-inch, not two.

Cooking a 10-inch pizza at home

Use about 200–230 g of dough. Bake on a preheated stone or tray at 475–500°F (245–260°C) for 8–11 minutes, or follow the box for frozen pizzas. Many frozen “original” pizzas are 10–12 inches.

Sources and how we checked

Frequently Asked Questions

How big is a 10 inch pizza in cm?

About 25 cm (25.4 cm) across, with an area of about 79 square inches (507 cm²).

How many slices are in a 10 inch pizza?

Usually 6. Some shops cut a 10-inch into 4 or 8.

How many people does a 10 inch pizza feed?

One hungry adult or two light eaters. Roughly the same as 4 slices of a 14-inch large.

Is a 10 inch pizza a small or medium?

A small at most US chains, including Domino's and Papa John's. Medium is usually 12 inches.

Are two 10 inch pizzas more than one 14 inch?

Slightly. Two 10-inch pizzas are 157 sq in; one 14-inch is 154 sq in.