This calculator allows you to convert from Square foot to Acre and in a reverse direction. To convert from Square foot to Acre, enter the amount of Square foot into the first input and to convert from Acre to Square foot, enter the amount of Acre into the second input.
20 Square foot = 0.00045913682277318 Acre
Square foot to Square meter | Square foot to Square centimeter | Square foot to Hectare | Square foot to Square inch | Square foot to Square kilometer | Square foot to Square yard | Square foot to Square mile |20 Square foot equal 0.00045913682277318 Acre.
Every 1 Square foot = 2.2956841138659E-5 Acre and so, 20 Square foot = 20 multiplied by 2.2956841138659E-5 = 0.00045913682277318 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 = 0.00022956841138659 Acre |
| 11 Square foot = 0.00025252525252525 Acre |
| 12 Square foot = 0.00027548209366391 Acre |
| 13 Square foot = 0.00029843893480257 Acre |
| 14 Square foot = 0.00032139577594123 Acre |
| 15 Square foot = 0.00034435261707989 Acre |
| 16 Square foot = 0.00036730945821855 Acre |
| 17 Square foot = 0.00039026629935721 Acre |
| 18 Square foot = 0.00041322314049586 Acre |
| 19 Square foot = 0.00043617998163452 Acre |
| 20 Square foot = 0.00045913682277318 Acre |
| 21 Square foot = 0.00048209366391184 Acre |
| 22 Square foot = 0.0005050505050505 Acre |
| 23 Square foot = 0.00052800734618916 Acre |
| 24 Square foot = 0.00055096418732782 Acre |
| 25 Square foot = 0.00057392102846648 Acre |
| 26 Square foot = 0.00059687786960514 Acre |
| 27 Square foot = 0.0006198347107438 Acre |
| 28 Square foot = 0.00064279155188246 Acre |
| 29 Square foot = 0.00066574839302112 Acre |
| 30 Square foot = 0.00068870523415977 Acre |
