›› Measurement unit: acre

Full name: acre

Plural form: acres

Category type: area

Scale factor: 4046.8564224


›› Similar units

acre
acre [commercial]
acre [Ireland]
acre [survey]


›› SI unit: square meter

The SI derived unit for area is the square meter.
1 square meter is equal to 0.000247105381467 acre.


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›› 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 m² (for the UK, see). For measurements based specifically on the US survey foot the US survey acre is ca. 4 046.872 610 m².


›› Sample conversions: acre

acre to square micrometre
acre to square fathom
acre to square city block [South, West U.S.]
acre to square microinch
acre to hundred
acre to square mile [nautical]
acre to square metre
acre to square nanometre
acre to square centimetre
acre to square link [Gunter, survey]