This calculator allows you to convert from Square foot (US survey) to Acre and in a reverse direction. To convert from Square foot (US survey) to Acre, enter the amount of Square foot (US survey) into the first input and to convert from Acre to Square foot (US survey), enter the amount of Acre into the second input.
20 Square foot (US survey) = 0.000459138659326 Acre
Square foot (US survey) to Square meter | Square foot (US survey) to Square foot | Square foot (US survey) to Square centimeter | Square foot (US survey) to Hectare | Square foot (US survey) to Square inch | Square foot (US survey) to Square kilometer | Square foot (US survey) to Square yard | Square foot (US survey) to Square mile |20 Square foot (US survey) equal 0.000459138659326 Acre.
Every 1 Square foot (US survey) = 2.29569329663E-5 Acre and so, 20 Square foot (US survey) = 20 multiplied by 2.29569329663E-5 = 0.000459138659326 Acre.
What does an acre mean?
During middle ages, acre was first introduced but it's definition was not clear. It was defined as the amount of land plowed in one day by one man and an ox. No doubt that this definition can't be longer used as oxen don't work with the same rate.
Nowadays, Acre is a unit of area used commonly for measuring tracts of land which equals 43,560 square feet. We can say that the area of New York City is approximately 300,000 acres.
Acre can measure any area- rectangles, circles or even hexagons- regardless of it's shape.
The commercial acre is another acre which is used to measure roads and alleyways.
United Sates is using another acre to measure roads and alleyways, it is called the commercial acre. It is approximately 82.6 percent of an international acre(36,000 square feet).
| 10 Square foot (US survey) = 0.000229569329663 Acre |
| 11 Square foot (US survey) = 0.0002525262626293 Acre |
| 12 Square foot (US survey) = 0.0002754831955956 Acre |
| 13 Square foot (US survey) = 0.0002984401285619 Acre |
| 14 Square foot (US survey) = 0.0003213970615282 Acre |
| 15 Square foot (US survey) = 0.0003443539944945 Acre |
| 16 Square foot (US survey) = 0.0003673109274608 Acre |
| 17 Square foot (US survey) = 0.0003902678604271 Acre |
| 18 Square foot (US survey) = 0.0004132247933934 Acre |
| 19 Square foot (US survey) = 0.0004361817263597 Acre |
| 20 Square foot (US survey) = 0.000459138659326 Acre |
| 21 Square foot (US survey) = 0.0004820955922923 Acre |
| 22 Square foot (US survey) = 0.0005050525252586 Acre |
| 23 Square foot (US survey) = 0.0005280094582249 Acre |
| 24 Square foot (US survey) = 0.0005509663911912 Acre |
| 25 Square foot (US survey) = 0.0005739233241575 Acre |
| 26 Square foot (US survey) = 0.0005968802571238 Acre |
| 27 Square foot (US survey) = 0.0006198371900901 Acre |
| 28 Square foot (US survey) = 0.0006427941230564 Acre |
| 29 Square foot (US survey) = 0.0006657510560227 Acre |
| 30 Square foot (US survey) = 0.000688707988989 Acre |
