Unit Converter › Area › km² → cm²
Area · scale · base square metre
km² to cm²
1 square kilometre (km²) = 10,000,000,000 cm². Multiply by 10,000,000,000. One square kilometre (km²) is 10,000,000,000 cm².
Convert
scale · base square metre
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| Every unit at once | Value | Unit |
|---|
km² to cm² table
| square kilometre (km²) | cm² | Unit |
|---|---|---|
| 1 km² | 10,000,000,000 | cm² |
| 2 km² | 20,000,000,000 | cm² |
| 3 km² | 30,000,000,000 | cm² |
| 5 km² | 50,000,000,000 | cm² |
| 10 km² | 100,000,000,000 | cm² |
| 20 km² | 200,000,000,000 | cm² |
| 25 km² | 250,000,000,000 | cm² |
| 50 km² | 500,000,000,000 | cm² |
| 100 km² | 1.00000000000e+12 | cm² |
| 500 km² | 5.00000000000e+12 | cm² |
| 1,000 km² | 1.00000000000e+13 | cm² |
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.