Convert square kilometers to acres
1 km² = 247.11 ac. Change the amount below, or read the formula and the reference table further down.
1 square kilometer equals
acres
1 km² = 247.11 ac
The formula
Square kilometers and acres both measure area from the same zero, so a single multiplier does the job.
ac = km² × 247.11
Going the other way? Convert acres to square kilometers.
Square kilometers to acres table
Common values, rounded for reading.
| Square kilometers (km²) | Acres (ac) |
|---|---|
| 1 | 247.11 |
| 2 | 494.21 |
| 3 | 741.32 |
| 4 | 988.42 |
| 5 | 1,235.53 |
| 6 | 1,482.63 |
| 7 | 1,729.74 |
| 8 | 1,976.84 |
| 9 | 2,223.95 |
| 10 | 2,471.05 |
| 15 | 3,706.58 |
| 20 | 4,942.11 |
| 25 | 6,177.63 |
| 30 | 7,413.16 |
| 40 | 9,884.22 |
| 50 | 12,355.27 |
| 75 | 18,532.9 |
| 100 | 24,710.54 |
| 250 | 61,776.35 |
| 500 | 123,552.69 |
| 1,000 | 247,105.38 |
Questions people ask
- How many acres are in a square kilometer?
- One square kilometer equals 247.11 acres.
- How do I convert square kilometers to acres by hand?
- Multiply the number of square kilometers by 247.11. For a rough check, 247.11 is close enough for most everyday use.
- What is 1 square kilometer in acres?
- 1 square kilometer is 247.11 acres.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.