Tools
Acres, square feet, hectares, square miles
Type in any field and the others update. Exact factors, shown below.
One acre is 43,560 square feet, 4,046.8564224 square meters, or 0.40468564224 hectares. One square mile is 640 acres.
Conversion factors
- 1 acre = 43,560 square feet
- 1 acre = 4,046.8564224 square meters
- 1 hectare = 10,000 square meters, about 2.471 acres
- 1 square mile = 640 acres
Questions
How big is an acre?
About 43,560 square feet, or roughly three quarters of an American football field including the end zones.
How many acres are in a square mile?
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