Convert square kilometre (km²) to square millimetre (mm²) instantly
| Square Kilometres (km²) | Square Millimetres (mm²) |
|---|---|
| 0.001 km² | 1000000000 mm² |
| 0.01 km² | 1e+10 mm² |
| 0.1 km² | 1e+11 mm² |
| 0.5 km² | 5e+11 mm² |
| 1 km² | 1e+12 mm² |
| 2 km² | 2e+12 mm² |
| 5 km² | 5e+12 mm² |
| 10 km² | 1e+13 mm² |
| 20 km² | 2e+13 mm² |
| 50 km² | 5e+13 mm² |
| 100 km² | 1e+14 mm² |
| 200 km² | 2e+14 mm² |
| 500 km² | 5e+14 mm² |
| 1000 km² | 1.0000e+15 mm² |
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: mm² = km² × 1e+12