ac to ha
39 unitsResult4.046856e-1
0.4046856422ha
1 ac × 0.4046856422 = 0.4046856422 ha
Convert Acre to Hectare (ac to ha)
1 acre = 0.4046856422 hectares. Convert acres to hectares instantly, with the exact factor, the formula and a reference table of common values.
Formula
hectares = acres × 0.4046856422
ac to ha conversion table
| ac | ha |
|---|---|
| 1 ac | 0.4046856422 ha |
| 2 ac | 0.8093712845 ha |
| 3 ac | 1.214056927 ha |
| 5 ac | 2.023428211 ha |
| 10 ac | 4.046856422 ha |
| 20 ac | 8.093712845 ha |
| 50 ac | 20.23428211 ha |
| 100 ac | 40.46856422 ha |
| 250 ac | 101.1714106 ha |
| 500 ac | 202.3428211 ha |
| 1000 ac | 404.6856422 ha |
What is a acre?
An acre is the traditional English and American unit of land area, equal to 4,046.8564224 square meters. It was originally the amount of land a pair of oxen could plow in one day.
Land, farms and building lots in the United States and UK are still sold by the acre. A football field, including the end zones, is about 1.3 acres, and 640 acres make a square mile.
In writing, the acre is usually shortened to "ac". One acre is 4046.856422 square meters, and that ratio is what every number on this page is built from.