SizeChart

hectárea → acre

1 hectárea = 2.4711 acres; 1 acre = 0.4047 hectares.

hectárea to acre
1 ha = 2.4711 ac
UnitValue
hectárea → acre conversion table
hectárea (ha)acre (ac)
1 2.4711
2 4.9421
3 7.4132
5 12.3553
8 19.7684
10 24.7105
15 37.0658
20 49.4211
25 61.7763
30 74.1316
40 98.8422
50 123.55
60 148.26
80 197.68
100 247.11

Formula and notes

1 hectárea = 2.4711 acres; conversely, 1 acre = 0.4047 hectares.

The converter uses the base unit method: hectárea has a factor of 10000 and acre has a factor of 4046.8564224, so the target value = source value × (10000 ÷ 4046.8564224).

Length and area converters use exact international definitions, so results are consistent across calculators.

Other area conversions

hectárea to acre FAQ

How do I convert acre to hectárea?
Multiply the value in acre by 0.4047 to get hectárea.
Is the conversion exact?
Yes. Every unit is defined by a fixed factor relative to the base unit, so the result is exact apart from rounding.