meaning of acre measurement
âºâº Definition: Acre. An acre is a measure of land area in Imperial units or U.S. customary units. It is equal to 43 560 square feet, 4840 square yards, or 160 square rods. The precise meaning of this depends on the exact definition adopted for a foot: the international acre is 4 046.856 422 4 m (for the UK, see).For measurements based specifically on the US survey foot the US survey acre is ca. 4 046.872 610 m.ou can view more details on each measurement unit: square feet or acre. The SI derived unit for area is the square meter. 1 square meter is equal to 10.7639104167 square feet, or 0.000247105381467 acre. Note that rounding errors may occur, so always check the results.