Are is an area unit used to describe surface size, land coverage or geometric sections.
Are 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 a = 100 m².
Are facts
- Unit name
- Are
- Symbol
- a
- Category
- Area
- Measurement system
- Metric, imperial and land-measurement area usage
- SI equivalent
- 1 a = 100 m²
- Common uses
- Land records, floor area, geometry and engineering sections
Definition of the are
Are 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 a = 100 m²
History of the are
Are became established as a practical area unit in technical, commercial or scientific use.
Where is the are used?
Land records, floor area, geometry and engineering sections
Are conversion tools
Sources
The definitions and conversion relationships on this page are aligned with standard metrology and SI reference material.