Square kilometres to acres
1 km² = 247.10538 ac
All units in this category
- 1,000,000,000,000mm²
- 10,000,000,000cm²
- 1,000,000m²
- 100ha
- 1km²
- 10,763,910ft²
- 247.10538ac
- 0.38610216mi²
Formula
Multiply the value in square kilometres by 247.10538 to get acres.
ac = km² × 247.10538
How to convert square kilometres to acres
Type a value in the field above and the result is calculated instantly. Use the arrow button to swap direction, or pick other units from the lists.
Square kilometres to acres – common values
| Square kilometres (km²) | Acres (ac) |
|---|---|
| 1 | 247.105 |
| 2 | 494.211 |
| 5 | 1,235.53 |
| 10 | 2,471.05 |
| 20 | 4,942.11 |
| 50 | 12,355.3 |
| 100 | 24,710.5 |
| 500 | 123,553 |
| 1,000 | 247,105 |
| 10,000 | 2,471,050 |
About the units
Acres. An acre is about 0.4 hectares and is used in English-speaking countries.