Full name: are
Plural form: ares
Symbol: a
Category type: area
Scale factor: 100
The SI derived unit for area is the square meter.
1 square meter is equal to 0.01 a.
Valid units must be of the area type.
You can use this form to select from known units:
An are or (symbol a) is a unit of surface area, equivalent to 100 square metres. The are is most familiar through its derived unit, the hectare. Neither the are nor the hectare are SI units, although they are both accepted for use with SI units.