Convert Square Inches to Square Centimeters

One square inch equals 6.4516 square centimeters. Type any value to convert square inches to square centimeters instantly — with a full reference table below.

Convert Square Inches to Square Centimeters

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Conversion formula

To convert square inches to square centimeters, multiply by 6.4516. One square inch equals 6.4516 cm², and one square centimeter equals 0.155 in².

Square Inches to Square Centimeters table

About converting Square Inches to Square Centimeters

Square Inches (in²) and Square Centimeters (cm²) are both units of area. The exact factor is 1 in² = 6.4516 cm², so multiply by 6.4516 to go from square inches to square centimeters (or divide to go back).

The conversion is exact and runs entirely in your browser. Need the reverse? Use the Square Centimeters to Square Inches converter, or the full unit converter for every unit at once.

Frequently asked questions

How many square centimeters are in one square inch?
One square inch equals 6.4516 square centimeters.
How do I convert square inches to square centimeters?
Multiply the number of square inches by 6.4516. For example, 10 square inches = 64.516 square centimeters.
What is 5 square inches in square centimeters?
5 square inches is 32.258 square centimeters.