Convert square centimeter to square inch
1 cm² = 0.15500031 in²
1 cm² = 0.155 in²
1 cm² in every area unit
| square millimeter | 100 mm² |
| square centimeter | 1 cm² |
| square meter | 0.0001 m² |
| hectare | 1.00e-08 ha |
| square kilometer | 1.00e-10 km² |
| square inch | 0.155 in² |
| square foot | 0.00108 ft² |
| square yard | 0.00012 yd² |
| acre | 2.47e-08 ac |
| square mile | 3.86e-11 mi² |
How the conversion works
Multiply by 0.15500031 to go from square centimeter to square inch, or divide by it to go back. Every conversion on this site routes through the SI value (m²) rather than a table of pairwise factors, so a round-trip returns exactly what you started with.
Going the other way? square inch to square centimeter — 1 in² = 6.4516 cm².
square centimeter to square inch — common values
| 1 cm² | 0.15500031 in² |
| 2 cm² | 0.31000062 in² |
| 3 cm² | 0.46500093 in² |
| 5 cm² | 0.77500155 in² |
| 10 cm² | 1.5500031 in² |
| 15 cm² | 2.3250047 in² |
| 20 cm² | 3.1000062 in² |
| 25 cm² | 3.8750078 in² |
| 50 cm² | 7.7500155 in² |
| 75 cm² | 11.625023 in² |
| 100 cm² | 15.500031 in² |
| 250 cm² | 38.750078 in² |
| 500 cm² | 77.500155 in² |
| 1000 cm² | 155.00031 in² |
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