Square centimetres to Square inches Converter
Convert square centimetre to square inch instantly. Type a value below — the result updates as you type.
When you need to convert square centimetre to square inch
Area conversions are essential when buying land, ordering flooring, turf or paint, or comparing property listings that quote space in different units across regions.
Typical values: 0.5 cm² is about 0.0775 in², and 100 cm² works out to roughly 15.5 in². Because the ratio is fixed at 0.155, you can scale any amount linearly — doubling the square centimetres doubles the square inches.
Estate agents, builders and gardeners each favour different area units, so a quick conversion keeps quotes and material orders consistent.
How to convert square centimetre to square inch
One square centimetre equals 0.155 square inches. To convert, multiply the number of square centimetres by 0.155:
square inches = square centimetres × 0.155
For example, 10 square centimetres × 0.155 = 1.55 square inches.
Square centimetres to square inches conversion table
| Area (cm²) | Square inches (in²) |
|---|---|
| 1 cm² | 0.155 in² |
| 2 cm² | 0.31 in² |
| 3 cm² | 0.465 in² |
| 5 cm² | 0.775 in² |
| 10 cm² | 1.55 in² |
| 20 cm² | 3.1 in² |
| 50 cm² | 7.75 in² |
| 100 cm² | 15.5 in² |
FAQ
How many square inches are in a square centimetre?
One square centimetre = 0.155 square inches.
How do I convert square inches back to square centimetres?
Divide by 0.155, or use the square inches to square centimetres converter.