A B C D E F G H I J K L M N O P Q R S T U V W Y Z Acre The acre is a measure of area from the Imperial system but is also commonly used internationally to describe plots of land. The symbol for the acre is the same as its name. 1 acre = 4,046.856 422 square meters 1 acre = 43,560 square feet Subject Imperial System Metric System Barrel Fathom Fluid Ounce Foot Gallon Inch Nautical Mile Ounce Pint Pound Statute Mile Yard Site Home Algebra Arithmetic Calculus Geometry Statistics