Square Kilometers to Acres
Convert square kilometers (km²) to acres (ac). Type in either box; the other updates as you go.
How to convert square kilometers to acres
To convert square kilometers to acres, multiply the number of square kilometers by 247.1053815.
Example
Convert 5 square kilometers to acres:
Square Kilometer to acre conversion chart
| Square Kilometers (km²) | Acres (ac) |
|---|---|
| 1 km² | 247.1054 ac |
| 2 km² | 494.2108 ac |
| 3 km² | 741.3161 ac |
| 4 km² | 988.4215 ac |
| 5 km² | 1,235.527 ac |
| 6 km² | 1,482.632 ac |
| 7 km² | 1,729.738 ac |
| 8 km² | 1,976.843 ac |
| 9 km² | 2,223.948 ac |
| 10 km² | 2,471.054 ac |
| 12 km² | 2,965.265 ac |
| 15 km² | 3,706.581 ac |
| 20 km² | 4,942.108 ac |
| 25 km² | 6,177.635 ac |
| 30 km² | 7,413.161 ac |
| 40 km² | 9,884.215 ac |
| 50 km² | 12,355.27 ac |
| 60 km² | 14,826.32 ac |
| 70 km² | 17,297.38 ac |
| 75 km² | 18,532.9 ac |
| 80 km² | 19,768.43 ac |
| 90 km² | 22,239.48 ac |
| 100 km² | 24,710.54 ac |
| 150 km² | 37,065.81 ac |
| 200 km² | 49,421.08 ac |
| 250 km² | 61,776.35 ac |
| 500 km² | 123,552.7 ac |
| 1,000 km² | 247,105.4 ac |
Going the other way? See the acres to square kilometers chart.
About the units
Square Kilometer (km²)
A square kilometer is 1,000,000 square meters, or 100 hectares. The size of cities and countries is given in square kilometers.
Acre (ac)
An acre is 43,560 square feet, about 4,047 square meters. US and UK land is measured in acres.
Frequently asked questions
How many acres are in a square kilometer?
There are 247.1053815 acres in a square kilometer.
How many square kilometers are in an acre?
There are 0.004046856422 square kilometers in an acre.
How do you convert square kilometers to acres?
To convert square kilometers to acres, multiply the number of square kilometers by 247.1053815.
What is 5 square kilometers in acres?
5 square kilometers equals 1,235.53 acres.
Convert between square feet, square meters, acres, hectares and other units of area. Open the area converter to see a value in every unit at once.