Pizza is made in inches, 1 inch is about 2.54 cm, so a 9-inch pizza is 9*2.54=22.86cm.

There are many kinds of pizzas in the market, and pizzas are classified by size:

1, 6-inch pizza to 7-inch pizza is suitable for one person. ?

2, 8 inches to 10 inch pizza is suitable for 2-3 people. ?

3. 1 1 inch pizza and 12 inch pizza are suitable for 3-4 people.

4. 13 inch pizza and 14 inch pizza are suitable for 4-5 people. ?

5, 15 inch pizza and above is suitable for more than 6 people.

Extended data

Pizza is not strict to the millimeter, plus the invalid pizza edge, the real effective area generally needs to remove the area after the decimal point. For example, the diameter of a 6-inch pizza is 15.24 cm, and the actual effective area is generally 15 cm.

Common pizza size comparison table:?

1, 6-inch pizza-15.24 cm. ?

2, 7-inch pizza-17.78 cm. ?

3, 8-inch pizza-20.32 cm. ?

4, 9-inch pizza-22.86 cm. ?

5, 10 inch pizza-25.4 cm. ?

6. 1 1 inch pizza-27.94 cm. ?

7. 12 inch pizza-30.48 cm. ?

8. 13 inch pizza-33.02 cm. ?

9. 14 inch pizza-35.56 cm. ?

10, 15 inch pizza-38.1cm.

Baidu encyclopedia-inch