Hectares to Acres Converter

Multiply hectares by about 2.47105 to get acres.

1 ha = 2.4710538147 ac

Convert acres to hectares instead

Formula

1 ha = 2.4710538147 ac

acres = hectares × 2.4710538147

Worked example

Convert 10 hectares to acres

  1. Multiply by 2.4710538147
  2. 10 × 2.4710538147 = 24.7105

10 ha = 24.7105 ac

Good to know

A hectare is a square 100 m on each side — 10,000 m² — which is roughly the size of a rugby pitch including its in-goal areas. 10 ha is 24.7 acres, and 100 ha (1 km²) is 247 acres.

Conversion table

Hectares to acres conversion table
Hectares (ha)Acres (ac)
0.10.247105
0.51.23553
12.47105
24.94211
512.3553
1024.7105
2561.7763
50123.553
100247.105
5001,235.53
1,0002,471.05

About these units

Hectare (ha)
Exactly 10,000 m² — a square 100 m on each side. Used for farmland and parks.
Acre (ac)
Exactly 43,560 square feet (4,046.8564224 m²). Traditionally a strip one furlong by one chain.