Convert Ares (a) to Hectares (ha)

The are is a unit of area and is a non-SI but metric unit with the symbol a.

It measures exactly 100m² which is the equivalent to 0.0247 acres.

The are is the principle unit for measuring the size of land across the world.

The hectare is a unit of area and is a non-SI but metric unit with the symbol ha.

It represents the area equal to that of a square with edges 100m long (ie 1hm² or 10,000m²). This is the equivalent to about 2.47 acres.

Its size is down to its use primary use; that for measuring the size of land.