How many square inches are in 1 square centimeter?

1 square centimeter equals 0.155 in².

How do I convert square inches back to square centimeters?

Use the reverse converter: 1 square inch equals 6.4516 cm².

Yes. It uses the exact SI/NIST definitions of each unit and shows up to 6 significant digits.

To convert square centimeters to square inches, multiply the value by 0.15500031.

in² = cm² × 0.15500031

40 cm² × 0.15500031 = 6.2 in²

Square Centimeter (cm²): Used for small surfaces, skin and material areas. One ten-thousandth of a square metre.
Square Inch (in²): Used in the US for small areas and pressure (psi). Exactly 6.4516 square centimetres.

How do I convert square centimeters to square inches?: To convert square centimeters to square inches, multiply the value by 0.15500031.
How many square inches are in 1 square centimeter?: 1 square centimeter equals 0.155 in².
How many square inches are in 10 square centimeters?: 10 cm² equals 1.55 in².
How do I convert square inches back to square centimeters?: Use the reverse converter: 1 square inch equals 6.4516 cm².
Is this converter accurate?: Yes. It uses the exact SI/NIST definitions of each unit and shows up to 6 significant digits.