This calculator allows you to convert from Square mile to Acre and in a reverse direction. To convert from Square mile to Acre, enter the amount of Square mile into the first input and to convert from Acre to Square mile, enter the amount of Acre into the second input.
1 Square mile = 640.00000000001 Acre
To convert Square mile to Acre: Every 1 Square mile equals 640.00000000001 Acre. For example, 100 Square mile equal 100 * 640.00000000001 = 64000.000000001 Acre and so on..
Square mile to Square meter | Square mile to Square foot | Square mile to Square centimeter | Square mile to Hectare | Square mile to Square inch | Square mile to Square kilometer | Square mile to Square yard |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).
