How to convert square centimeters to square inches
To convert square centimeters (cm²) to square inches (in²), divide the value in square centimeters by 6.4516.
in² = cm² ÷ 6.4516
Example: 10 cm² = 1.5500031 in².
You can also type 10 cm² to in² into the smart calculator, or mix units: 1 cm² + 1 in².
Square Centimeters to Square Inches conversion table
| Square Centimeters | Square Inches |
|---|---|
| 0.01 cm² | 0.0015500031 in² |
| 0.1 cm² | 0.015500031 in² |
| 0.25 cm² | 0.038750078 in² |
| 0.5 cm² | 0.077500155 in² |
| 1 cm² | 0.15500031 in² |
| 2 cm² | 0.31000062 in² |
| 3 cm² | 0.46500093 in² |
| 4 cm² | 0.62000124 in² |
| 5 cm² | 0.77500155 in² |
| 6 cm² | 0.93000186 in² |
| 7 cm² | 1.0850022 in² |
| 8 cm² | 1.2400025 in² |
| 9 cm² | 1.3950028 in² |
| 10 cm² | 1.5500031 in² |
| 12 cm² | 1.8600037 in² |
| 15 cm² | 2.3250047 in² |
| 20 cm² | 3.1000062 in² |
| 25 cm² | 3.8750078 in² |
| 30 cm² | 4.6500093 in² |
| 40 cm² | 6.2000124 in² |
| 50 cm² | 7.7500155 in² |
| 60 cm² | 9.3000186 in² |
| 75 cm² | 11.625023 in² |
| 100 cm² | 15.500031 in² |
| 250 cm² | 38.750078 in² |
| 500 cm² | 77.500155 in² |
| 1,000 cm² | 155.00031 in² |
Converting square inches back to square centimeters
1 in² = 6.4516 cm². See the Square Inches to Square Centimeters converter, or press the swap button above.
About the units
Square centimeter (cm²)
A unit of area.
Square inch (in²)
A unit of area.
Area measures a two-dimensional surface. The SI unit is the square meter. Property is often measured in square feet, while land uses acres or hectares: one hectare is 10,000 square meters, about 2.471 acres.
Questions and answers
How many square inches are in a square centimeter?
One square centimeter (cm²) equals 0.15500031 square inches (in²).
How do I convert square centimeters to square inches?
To convert square centimeters to square inches, divide the value in square centimeters by 6.4516. The formula is in² = cm² ÷ 6.4516. For example, 10 cm² = 1.5500031 in².
What is 10 cm² in in²?
10 square centimeters is 1.5500031 square inches.
Which is bigger, a square centimeter or a square inch?
A square inch is bigger: 1 in² = 6.4516 cm².
How big is an acre?
An acre is exactly 43,560 square feet, about 4,047 square meters or 0.405 hectares. A hectare is about 2.471 acres.
Does this cm² to in² converter work offline?
Yes. ConvertEasy is a progressive web app: after your first visit it keeps working with no connection, and you can install it to your home screen from the browser menu.