UnitConSquare Inches to Square Centimeters Converter
Convert square inches to square centimeters for sensor sizes, screen areas, and product specifications. Electronics specs often use square inches while scientific and international documentation requires square centimeters.
Formula
Multiply square inches by 6.4516 to get square centimeters. To reverse, divide sq cm by 6.4516 to get sq inches.
Quick reference
| Square Inch (in²) | Square Centimeter (cm²) |
|---|---|
| 1 | 6.4516 |
| 2 | 12.9032 |
| 4 | 25.8064 |
| 6 | 38.7096 |
| 8 | 51.6128 |
| 10 | 64.516 |
| 12 | 77.4192 |
| 16 | 103.2256 |
| 20 | 129.032 |
| 32 | 206.4512 |
About these units
Square Inch
The square inch derives from the international inch (2.54 cm exactly since 1959). It is commonly used in the US for small area measurements such as solar cell size, medical device surfaces, and image sensor dimensions.
Square Centimeter
The square centimeter is a CGS unit of area (1 cm² = 10⁻⁴ m²). It is the standard for small area measurement in metric countries, appearing in product specs, scientific data, and medical imaging.