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.
4 Square foot (US survey) = 9.18277318652E-5 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 |4 Square foot (US survey) equal 9.18277318652E-5 Acre.
Every 1 Square foot (US survey) = 2.29569329663E-5 Acre and so, 4 Square foot (US survey) = 4 multiplied by 2.29569329663E-5 = 9.18277318652E-5 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).
| 1 Square foot (US survey) = 2.29569329663E-5 Acre |
| 2 Square foot (US survey) = 4.59138659326E-5 Acre |
| 3 Square foot (US survey) = 6.88707988989E-5 Acre |
| 4 Square foot (US survey) = 9.18277318652E-5 Acre |
| 5 Square foot (US survey) = 0.0001147846648315 Acre |
| 6 Square foot (US survey) = 0.0001377415977978 Acre |
| 7 Square foot (US survey) = 0.0001606985307641 Acre |
| 8 Square foot (US survey) = 0.0001836554637304 Acre |
| 9 Square foot (US survey) = 0.0002066123966967 Acre |
| 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 |
