**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 are.

Valid units must be of the **area** type.

You can use this form to select from known units:

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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.

are to square vara [California]

are to caballeria [Spain/Peru]

are to hacienda

are to township

are to square decametre

are to square perch

are to jerib

are to cawney

are to square bicron