Convert Square Centimeter to Square Inch
Use this free converter to change square centimeters (cm²) into square inches (in²). Square centimeter and square inch both measure area. As a quick reference, 1 cm² equals 0.15500031 in², and 1 in² equals 6.4516 cm².
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Square Inch (in²)
0.15500031
1 cm² = 0.15500031 in²
Area conversion table
| Square Centimeter | Square Inch |
|---|---|
| 0.01 | 0.0015500031 |
| 0.1 | 0.015500031 |
| 0.5 | 0.077500155 |
| 1 | 0.15500031 |
| 2 | 0.31000062 |
| 3 | 0.46500093 |
| 5 | 0.77500155 |
| 10 | 1.5500031 |
| 20 | 3.1000062 |
| 25 | 3.8750078 |
| 50 | 7.7500155 |
| 100 | 15.500031 |
| 1,000 | 155.00031 |
How to convert Square Centimeter to Square Inch
Multiply the square centimeter value by 0.15500031 to get square inches.
- Enter the number of square centimeters you want to convert.
- The converter instantly shows the equivalent value in square inches.
- Worked example: 15 cm² × 0.15500031 = 2.3250047 in².
- Use the swap button to reverse the conversion (square inch to square centimeter).
About these units
Square Centimeter (cm²)
- Definition
- A square centimeter (cm²) is the area of a square one centimeter on each side, one ten-thousandth of a square meter.
- History
- It comes from the centimeter in the metric system.
- Current use
- Square centimeters measure small surfaces such as labels, screens, and cross-sections.
Square Inch (in²)
- Definition
- A square inch (in²) is the area of a square one inch on each side, exactly 6.4516 square centimeters.
- History
- It follows from the inch in the imperial system.
- Current use
- Square inches measure small areas such as print, screens, and material samples.
Frequently asked questions
How many square inches are in a square centimeter?
There are 0.15500031 in² in 1 cm². To convert, multiply the number of square centimeters by 0.15500031.
How do I convert square centimeters to square inches?
Multiply the square centimeter value by 0.15500031 to get square inches. For example, 10 cm² = 1.5500031 in².
Is this square centimeter-to-square inch converter free?
Yes. This converter is completely free, runs entirely in your browser, and requires no sign-up. Your inputs never leave your device.
Convert Square Centimeter to other area units
| Unit | 1 Square Centimeter equals |
|---|---|
| Square Meter (m²) | 0.0001 m² |
| Square Kilometer (km²) | 1.0000e-10 km² |
| Square Mile (mi²) | 3.8610e-11 mi² |
| Square Yard (yd²) | 0.000119599 yd² |
| Square Foot (ft²) | 0.001076391 ft² |
| Square Inch (in²) | 0.15500031 in² |
| Acre (ac) | 2.4711e-8 ac |
| Hectare (ha) | 1.0000e-8 ha |