Square kilometers to Acres – square kilometer to acre Converter
1 km² ≈ 247.105 acre
Formula
acre = km² × ≈ 247.105
Square kilometers to acres conversion table
| square kilometers (km²) | acres (acre) |
|---|---|
| 0.25 km² | 61.7763 acre |
| 0.5 km² | 123.553 acre |
| 1 km² | ≈ 247.105 acre |
| 2 km² | 494.211 acre |
| 5 km² | 1235.53 acre |
| 10 km² | 2471.05 acre |
| 20 km² | 4942.11 acre |
| 50 km² | 12355.3 acre |
| 100 km² | 24710.5 acre |
| 200 km² | 49421.1 acre |
| 500 km² | 123553 acre |
| 1000 km² | 247105 acre |
| 2500 km² | 617763 acre |
| 5000 km² | 1235530 acre |
| 10000 km² | 2471050 acre |
Square kilometers and acres are both area units. One square kilometer is approximately 247.105 acres; enter any value above for an instant result, or use the table for common conversions.
Sanity-check examples
1 km² = 247.105 acre10 km² = 2471.05 acre2.5 km² = 617.763 acre
Common pitfalls and look-alike units
The mu is a Chinese market unit: 1 mu = 666.667 m² (about 666.67), not to be confused with the acre (≈ 4046.86 m²) or the hectare (10000 m² = 15 mu). Confirm which unit a land figure uses before converting.
Frequently asked questions
How many acres are in a square kilometer?
1 square kilometer (km²) is approximately 247.105 acre (acre).
How do I convert square kilometers to acres?
Multiply the square kilometer value by ≈ 247.105 to get acre — for example, 2 square kilometers = 494.211 acre.
How do I convert acres back to square kilometers?
1 acre equals 0.0040468564224 square kilometer. Use the swap button or the reverse conversion page linked on this page.