Square kilometres to Square metres Converter
Convert square kilometre to square metre instantly. Type a value below — the result updates as you type.
When you need to convert square kilometre to square metre
Area conversions are essential when buying land, ordering flooring, turf or paint, or comparing property listings that quote space in different units across regions.
Typical values: 0.5 km² is about 500000 m², and 5 km² works out to roughly 5e+06 m². Because the ratio is fixed at 1e+06, you can scale any amount linearly — doubling the square kilometres doubles the square metres.
Estate agents, builders and gardeners each favour different area units, so a quick conversion keeps quotes and material orders consistent.
How to convert square kilometre to square metre
One square kilometre equals 1e+06 square metres. To convert, multiply the number of square kilometres by 1e+06:
square metres = square kilometres × 1e+06
For example, 10 square kilometres × 1e+06 = 1e+07 square metres.
Square kilometres to square metres conversion table
| Area (km²) | Square metres (m²) |
|---|---|
| 1 km² | 1e+06 m² |
| 2 km² | 2e+06 m² |
| 3 km² | 3e+06 m² |
| 5 km² | 5e+06 m² |
| 10 km² | 1e+07 m² |
| 20 km² | 2e+07 m² |
| 50 km² | 5e+07 m² |
| 100 km² | 1e+08 m² |
FAQ
How many square metres are in a square kilometre?
One square kilometre = 1e+06 square metres.
How do I convert square metres back to square kilometres?
Divide by 1e+06, or use the square metres to square kilometres converter.