How big is an acre? Definition and examples.

An acre is a unit for measuring the area in the United States customary units. 1 acre  = 208.7 ft × 208.7 ft = 43560 ft2

If 1 acre measures the area of a square, each side of the square will have a length of approximately 208.7 feet as shown in the image

1 acre

1 acre is also equal to 1/640 of a square mile.

In other words, 640 acres  = 1 mi2

An acre is about 75% the size of a football field and about 60% of a soccer field.

It is noteworthy to mention that originally 1 acre was the amount of land a farmer using a pair of oxen could plow in 1 day.

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