Convert square inch (in²) to square kilometre (km²) instantly
| Square Inches (in²) | Square Kilometres (km²) |
|---|---|
| 0.001 in² | 6.4516e-13 km² |
| 0.01 in² | 6.4516e-12 km² |
| 0.1 in² | 6.4516e-11 km² |
| 0.5 in² | 3.2258e-10 km² |
| 1 in² | 6.4516e-10 km² |
| 2 in² | 1.2903e-09 km² |
| 5 in² | 3.2258e-09 km² |
| 10 in² | 6.4516e-09 km² |
| 20 in² | 1.2903e-08 km² |
| 50 in² | 3.2258e-08 km² |
| 100 in² | 6.4516e-08 km² |
| 200 in² | 1.2903e-07 km² |
| 500 in² | 3.2258e-07 km² |
| 1000 in² | 6.4516e-07 km² |
Area measures two-dimensional space. The hectare (10,000 m²) is used for land. One acre = 4046.86 m². One square mile = 640 acres = 2.59 km².
Formula: km² = in² × 6.4516e-10