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Convert square centimeters to square inches

Convert square centimeters (cm²) to square inches (in²). 1 cm² = 0.155 in², and 1 in² = 6.4516 cm².

1 cm² = 0.155 in²

Square CM to Square Inches formula

in² = cm² ÷ 6.4516

Divide the number of square centimeters by 6.4516.

Example: To convert 1 cm² to square inches: 1 ÷ 6.4516 = 0.155 in².

Quick answers

What is 1 cm² in square inches?
1 cm² = 0.155 in²
What is 100 cm² in square inches?
100 cm² = 15.5 in²

Square CM to Square Inches conversion table

Square Inches to Square CM table
square centimeters (cm²)square inches (in²)
1 cm²0.155 in²
5 cm²0.775002 in²
10 cm²1.55 in²
25 cm²3.87501 in²
50 cm²7.75002 in²
100 cm²15.5 in²
500 cm²77.5002 in²
1,000 cm²155 in²
10,000 cm²1,550 in²

Frequently asked questions

How many square centimeters are in a square inch?

There are 6.4516 square centimeters in a square inch (1 in² = 6.4516 cm²), so 1 cm² = 0.155 in².

How do I convert square centimeters to square inches?

Divide the number of square centimeters by 6.4516. To convert 1 cm² to square inches: 1 ÷ 6.4516 = 0.155 in².

Is the Square CM to Square Inches conversion exact?

Yes. Both units are defined exactly, so 1 square centimeter is exactly 0.155000310001 square inches. Results on this page are rounded to six significant digits; pick more decimals in the converter if you need them.

What is 1 cm² in square inches?

1 cm² = 0.155 in².

How do I convert square inches back to square centimeters?

Use the reverse relationship: 1 in² = 6.4516 cm². The Square Inches to Square CM page has a converter and a full table.

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