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Quick access from your home screen1 km² = 247.105381 ac. Convert square kilometers to acres instantly with the converter below.
| Square kilometer | Acre |
|---|---|
| 1 km² | 247.105381 ac |
| 2 km² | 494.210763 ac |
| 5 km² | 1,235.526907 ac |
| 10 km² | 2,471.053815 ac |
| 20 km² | 4,942.107629 ac |
| 25 km² | 6,177.634537 ac |
| 50 km² | 12,355.269073 ac |
| 100 km² | 24,710.538147 ac |
| 250 km² | 61,776.345367 ac |
| 500 km² | 123,552.690734 ac |
| 1,000 km² | 247,105.381467 ac |
1 km² = 247.105381 ac.
Multiply the value (km²) by 247.105381 to get ac.
1 ac = 0.00404686 km².
Yes. It uses the standard international conversion factors and runs entirely in your browser, uploading no data.
Reverse: acres to square kilometers