Acre (ac)
A unit of area. 1 ac = 4046.856422 m², the base unit used internally for area.
Convert from acres
- to square millimeters
- to square centimeters
- to square meters
- to hectares
- to square kilometers
- to square inches
- to square feet
- to square miles
Convert to acres
- from square millimeters
- from square centimeters
- from square meters
- from hectares
- from square kilometers
- from square inches
- from square feet
- from square miles
More in Area converters or the full unit directory.