**Full name:** hectare

**Plural form:** hectares

**Symbol:** ha

**Category type:** area

**Scale factor:** 10000

The SI derived unit for area is the square meter.

1 square meter is equal to 0.0001 hectare.

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

You can use this form to select from known units:

A hectare (symbol ha) is a metric unit of surface area, equal to 100 ares (the name is a contraction of the SI prefix hecto + are). It is a non-SI unit currently accepted (although discouraged) for use with the SI. Its use is widespread in agriculture where it is more practical than either square metres or square kilometres, typical fields being a few hectares in size.

hectare to square inch [survey]

hectare to square kilometre

hectare to square furlong

hectare to square micron

hectare to arpent [Canada]

hectare to square rod

hectare to square league [nautical]

hectare to square zeptometre

hectare to square exametre

hectare to square terametre