Square Inches to Square Centimeters Converter

Common

Square meters, acres, hectares and more.

How to convert Square Inches to Square Centimeters

Multiply the square inches value by 6.4516: 1 in² = 6.4516 cm². Going the other way, 1 cm² = 0.155 in², so divide by 6.4516 or use the Square Centimeters to Square Inches converter.

About these units

Square Inches (in²)

A square inch is the area of a square one inch on each side, about 6.45 square centimeters. There are 144 square inches in a square foot.

Square Centimeters (cm²)

A square centimeter is the area of a square one centimeter on each side, equal to 100 square millimeters or about 0.155 square inches.

Square Inches to Square Centimeters conversion table

Square Inches (in²)Square Centimeters (cm²)
1 in²6.4516 cm²
2 in²12.9032 cm²
3 in²19.3548 cm²
4 in²25.8064 cm²
5 in²32.258 cm²
10 in²64.516 cm²
20 in²129.032 cm²
25 in²161.29 cm²
50 in²322.58 cm²
100 in²645.16 cm²
500 in²3,225.8 cm²
1,000 in²6,451.6 cm²

More square inches conversions