Unit Converter › Area › km² → mm²
Area · scale · base square metre
km² to mm²
1 square kilometre (km²) = 1.00000000000e+12 mm². Multiply by 1.00000000000e+12. One square kilometre (km²) is 1.00000000000e+12 mm².
Convert
scale · base square metre
—
| Every unit at once | Value | Unit |
|---|
km² to mm² table
| square kilometre (km²) | mm² | Unit |
|---|---|---|
| 1 km² | 1.00000000000e+12 | mm² |
| 2 km² | 2.00000000000e+12 | mm² |
| 3 km² | 3.00000000000e+12 | mm² |
| 5 km² | 5.00000000000e+12 | mm² |
| 10 km² | 1.00000000000e+13 | mm² |
| 20 km² | 2.00000000000e+13 | mm² |
| 25 km² | 2.50000000000e+13 | mm² |
| 50 km² | 5.00000000000e+13 | mm² |
| 100 km² | 1.00000000000e+14 | mm² |
| 500 km² | 5.00000000000e+14 | mm² |
| 1,000 km² | 1.000000e+15 | mm² |
the acre is exact
An acre is exactly 4,046.8564224 m², because it is defined from the exact yard. A hectare is exactly 10,000 m² — the two are close but never equal.