Square Centimeters to Square Inches

1 square centimeter = 0.15500031 square inches. To convert square centimeters (cm²) to square inches (in²), divide by 6.4516.

⇄
 
 

How to convert square centimeters to square inches

in² = cm² ÷ 6.4516

Example: convert 8 square centimeters to square inches.
8 cm² ÷ 6.4516 = 1.24000248 in²

The same relationship in reverse: 1 square inch = 6.4516 square centimeters, so you can also multiply by 0.15500031. Need the other direction? Use the square inches to square centimeters converter.

You will typically need this conversion for labels, screens and small material samples.

Square Centimeters to Square Inches conversion chart

Square Centimeters (cm²)Square Inches (in²)
1 cm²0.15500031 in²
2 cm²0.31000062 in²
3 cm²0.46500093 in²
4 cm²0.62000124 in²
5 cm²0.77500155 in²
6 cm²0.93000186 in²
7 cm²1.0850022 in²
8 cm²1.2400025 in²
9 cm²1.3950028 in²
10 cm²1.5500031 in²
15 cm²2.3250047 in²
20 cm²3.1000062 in²
25 cm²3.8750078 in²
30 cm²4.6500093 in²
40 cm²6.2000124 in²
50 cm²7.7500155 in²
75 cm²11.625023 in²
100 cm²15.500031 in²
250 cm²38.750078 in²
500 cm²77.500155 in²
1,000 cm²155.00031 in²

Values rounded to 8 significant figures. The converter above shows up to 12.

About the units

Square Centimeter (cm²)

The area of a square 1 cm on each side. Used for small surfaces such as skin patches or labels.

Square Inch (in²)

The area of a square 1 inch on each side, exactly 6.4516 cm². Used for screen areas and pressure (psi).

Frequently asked questions

How many square inches are in a square centimeter?

1 square centimeter = 0.15500031 square inches. Going the other way, 1 square inch = 6.4516 square centimeters.

How do I convert square centimeters to square inches?

To convert square centimeters to square inches, divide by 6.4516. The formula is in² = cm² ÷ 6.4516.

What is 8 cm² in in²?

8 square centimeters is 1.24000248 square inches (8 cm² ÷ 6.4516 = 1.24000248 in²).

More area conversions