ac to km²
39 unitsResult4.046873e-3
0.00404687261km²
1 ac × 0.00404687261 = 0.00404687261 km²
Convert Acre (US survey) to Square kilometer (ac to km²)
1 acre (US survey) = 0.00404687261 square kilometers. Convert acre (US survey) to square kilometers instantly, with the exact factor, the formula and a reference table of common values.
Formula
square kilometers = acre (US survey) × 0.00404687261
ac to km² conversion table
| ac | km² |
|---|---|
| 1 ac | 0.00404687261 km² |
| 2 ac | 0.00809374522 km² |
| 3 ac | 0.01214061783 km² |
| 5 ac | 0.02023436305 km² |
| 10 ac | 0.0404687261 km² |
| 20 ac | 0.0809374522 km² |
| 50 ac | 0.2023436305 km² |
| 100 ac | 0.404687261 km² |
| 250 ac | 1.011718152 km² |
| 500 ac | 2.023436305 km² |
| 1000 ac | 4.04687261 km² |
What is a acre (us survey)?
The acre (us survey) is a unit of area. One acre (us survey) equals 4046.87261 square meters, and that single factor is behind every figure on this page.
Acre (US survey) conversions are easiest to trust when the arithmetic is visible, so the formula and a table of common values are laid out below.
In writing, the acre (us survey) is usually shortened to "ac". One acre (us survey) is 4046.87261 square meters, and that ratio is what every number on this page is built from.