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Square cm to Square Inches Converter (Square Centimeters to Square Inches)

1 square centimeter = 0.15500031 square inches. To convert cm² to sq in, multiply by 0.15500031, or divide by 6.4516.

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100 cm² = 15.5 sq in

1 cm²
0.155 sq in
1 sq in
6.4516 cm²
10 cm²
1.55 sq in
100 cm²
15.5 sq in

How to convert Square cm to Square Inches

1 square centimeter equals 0.15500031 square inches, so the conversion is a single multiplication.

sq in = cm² × 0.15500031

Example: 150 cm² × 0.15500031 = 23.25 sq in.

1 square centimeter in every area unit

Acres2.471e-8 ac
Square Feet0.001076 sq ft
Square Meters0.0001 m²
Hectares1e-8 ha
Square Kilometers1e-10 km²
Square Miles3.861e-11 sq mi
Square Yards0.0001196 sq yd
Square Inches0.155 sq in
Square Millimeters100 mm²
Ares0.000001 a
Square Inches to Square cmReverse conversion

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Square cm to Square Inches FAQ

How many square inches are in a square centimeter?

1 square centimeter = 0.15500031 square inches.

How many square centimeters are in a square inch?

1 square inch = 6.4516 square centimeters.

How do I convert cm² to sq in?

Use sq in = cm² × 0.15500031. For example, 10 cm² = 1.55 sq in.

Can I print this Square cm to Square Inches chart?

Yes. Use "Print / Save PDF" next to the converter for a one-page chart, or "Download CSV" to open it in Excel or Google Sheets.