UnitConSquare Centimeters to Square Inches Converter
Convert square centimeters to square inches for screen sizes, printed material dimensions, fabric patches, and small product surfaces. This is useful when metric product specs need to be understood in US customary terms.
Formula
Multiply square centimeters by 0.155 to get square inches. To reverse, divide square inches by 0.155 to get square centimeters.
Quick reference
| Square Centimeter (cm²) | Square Inch (in²) |
|---|---|
| 1 | 0.1550003 |
| 5 | 0.7750016 |
| 10 | 1.550003 |
| 25 | 3.875008 |
| 50 | 7.750016 |
| 100 | 15.50003 |
| 200 | 31.00006 |
| 500 | 77.50016 |
| 1000 | 155.0003 |
| 2000 | 310.0006 |
About these units
Square Centimeter
The square centimeter (1 cm × 1 cm = 0.0001 m²) is used for small areas in metric countries, appearing in product labels, medical imaging, and printed format specifications like A4 paper dimensions.
Square Inch
The square inch (1 in × 1 in = 6.4516 cm²) is used in the US for screen sizes, photographic prints, sensors, and electronics specifications. Display resolution (pixels per inch) and sensor size make sq inches a common unit in consumer electronics.