20 cm² equals 2.000000e-9 km². Use the converter below or explore all area conversions.
| Square Cm (cm²) | Square Km (km²) |
|---|---|
| 1 cm² | 1.000000e-10 km² |
| 2 cm² | 2.000000e-10 km² |
| 5 cm² | 5.000000e-10 km² |
| 10 cm² | 1.000000e-9 km² |
| 15 cm² | 1.500000e-9 km² |
| 20 cm² | 2.000000e-9 km² |
| 25 cm² | 2.500000e-9 km² |
| 30 cm² | 3.000000e-9 km² |
| 50 cm² | 5.000000e-9 km² |
| 100 cm² | 1.000000e-8 km² |
| 200 cm² | 2.000000e-8 km² |
| 500 cm² | 5.000000e-8 km² |
| 1000 cm² | 1e-7 km² |