km² to ac
39 unitsResult2.471044e+2
247.104393ac
1 km² × 247.104393 = 247.104393 ac
Convert Square kilometer to Acre (US survey) (km² to ac)
1 square kilometer = 247.104393 acre (US survey). Convert square kilometers to acre (US survey) instantly, with the exact factor, the formula and a reference table of common values.
Formula
acre (US survey) = square kilometers × 247.104393
km² to ac conversion table
| km² | ac |
|---|---|
| 1 km² | 247.104393 ac |
| 2 km² | 494.2087861 ac |
| 3 km² | 741.3131791 ac |
| 5 km² | 1235.521965 ac |
| 10 km² | 2471.04393 ac |
| 20 km² | 4942.087861 ac |
| 50 km² | 12355.21965 ac |
| 100 km² | 24710.4393 ac |
| 250 km² | 61776.09826 ac |
| 500 km² | 123552.1965 ac |
| 1000 km² | 247104.393 ac |
What is a square kilometer?
A square kilometer is a square one kilometer on each side: one million square meters. It is the unit used for cities, forests, lakes and countries.
For a feel of scale, Central Park in New York covers about 3.4 square kilometers, and a small town might spread over ten or twenty. One square kilometer is exactly 100 hectares.
In writing, the square kilometer is usually shortened to "km²". One square kilometer is 1000000 square meters, and that ratio is what every number on this page is built from.