Acre is an area unit used to describe surface size, land coverage or geometric sections.
Acre became established as a practical area unit in technical, commercial or scientific use.
Measurement system: Metric, imperial and land-measurement area usage. SI equivalent: 1 ac = 4,046.8564224 m².
Acre facts
- Unit name
- Acre
- Symbol
- ac
- Category
- Area
- Measurement system
- Metric, imperial and land-measurement area usage
- SI equivalent
- 1 ac = 4,046.8564224 m²
- Common uses
- Land records, floor area, geometry and engineering sections
Definition of the acre
Acre is an area unit used to describe surface size, land coverage or geometric sections.
Measurement system and SI relationship
Metric, imperial and land-measurement area usage
SI equivalent: 1 ac = 4,046.8564224 m²
History of the acre
Acre became established as a practical area unit in technical, commercial or scientific use.
Where is the acre used?
Land records, floor area, geometry and engineering sections