**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:

I'm feeling lucky, show me some random 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.

are to square nanometre

are to square dekametre

are to square city block [South, West U.S.]

are to square millimetre

are to square vara [California]

are to square gigametre

are to centiare

are to hacienda

are to square decametre