Pizza Size Converter

Convert pizza diameters and dimensions between Imperial (inches) and Metric (cm / sq cm) with dynamic area scale preview.

📐
35.6 cm
Converted Dimension
🍕
153.9 sq in
Area (Sq Inches)
🌐
993.1 sq cm
Area (Sq Centimeters)
📐
1.07 sq ft
Area (Sq Feet)

Global Pizza Size Conversion Chart (Inches to Centimeters)

Understanding pizza sizes across international menus can be tricky. Below is a quick conversion reference table for standard pizza diameters, area, and slice yields:

US Name Inches Metric (cm) Area (sq in) Area (sq cm) Feeds (People)
Personal 8″ 20.3 cm 50.3 sq in 324.3 sq cm 1 Person
Small 10″ 25.4 cm 78.5 sq in 506.7 sq cm 1 - 2 People
Medium 12″ 30.5 cm 113.1 sq in 729.7 sq cm 2 - 3 People
Large (Standard) 14″ 35.6 cm 153.9 sq in 993.1 sq cm 3 - 4 People
Extra Large (XL) 16″ 40.6 cm 201.1 sq in 1,297.2 sq cm 4 - 5 People
Jumbo / Party 18″ 45.7 cm 254.5 sq in 1,641.7 sq cm 5 - 6 People

Frequently Asked Questions About Pizza Size Conversion

How many centimeters is a 12-inch pizza?

A 12-inch pizza is exactly 30.48 centimeters in diameter (commonly rounded to 30 cm or 31 cm in European pizzerias).

How do you convert square inches to square centimeters?

Multiply square inches by 6.4516 to convert to square centimeters ($1 \\text{ sq in} = 6.4516 \\text{ sq cm}$). A 14-inch pizza (153.9 sq in) equals approximately 993.1 sq cm.

What are standard metric pizza sizes in Europe and the UK?

Common European pizza sizes are: 20 cm (Personal ~8″), 26 cm (Small ~10″), 30 cm (Medium ~12″), 35 cm (Large ~14″), and 40 cm (XL ~16″).