MeasureMate
Land area

Acres to Square Feet

Enter acres to see the area in square feet and other units. One acre is 43,560 square feet, about 209 × 209 ft.

ac
Result–

    Picturing an acre

    One acre is 43,560 square feet, roughly 90% of an American football field without the end zones. A square acre is roughly 208.7 feet on each side.

    Common lot sizes: a quarter acre is 10,890 sq ft and a half acre is 21,780 sq ft. One hectare is about 2.47 acres.

    Acres to square feet chart

    AcresSquare feetSquare metersSquare side
    0.14,35640566 ft
    0.2510,8901,012104 ft
    0.521,7802,023148 ft
    0.7532,6703,035181 ft
    143,5604,047209 ft
    1.565,3406,070256 ft
    287,1208,094295 ft
    2.5108,90010,117330 ft
    3130,68012,141361 ft
    5217,80020,234467 ft
    10435,60040,469660 ft
    20871,20080,937933 ft

    Square feet = acres × 43,560
    Acres = square feet ÷ 43,560

    A typical US suburban lot of 0.25 acres is 10,890 sq ft. Need the area of a house or room instead? Use the square footage calculator.

    Questions

    How many square feet are in an acre?

    43,560 square feet.

    How many square feet is half an acre?

    21,780 square feet.

    How big is an acre?

    About 209 × 209 feet if square, or roughly 90% of an American football field without the end zones.