Acre To Hectare Conversion Chart

Acre (ac) Hectare (ha)
1 ac0.4046944556859571 ha
10 ac4.046944556859571 ha
20 ac8.093889113719142 ha
50 ac20.234722784297855 ha
100 ac40.46944556859571 ha
500 ac202.34722784297855 ha
1000 ac404.6944556859571 ha
2000 ac809.3889113719142 ha
5000 ac2023.4722784297855 ha

Convert from acre to hectare formula

Total hectare =
Total acre

For example, if you want to convert 150 acre to hectare then,

= 60.70416835289356 ha

Convert from hectare to acre formula

Total acre = Total hectare x 2.471

60.70416835289356 ha = 60.70416835289356 x 2.471 = 150 ac


General Information

Unit systemUS customary units and the British imperial systems
Unit ofArea
Symbolacre or ac

The acre is a unit of land area used in the imperial and US customary systems. It is traditionally defined as the area of one chain by one furlong (66 by 660 feet), which is exactly equal to 10 square chains, ​1⁄640 of a square mile, or 43,560 square feet, and approximately 4,047 m2, or about 40% of a hectare. Based upon the International yard and pound agreement of 1959, an acre may be declared as exactly 4,046.8564224 square metres. One recognised symbol for the acre is ac,but the word "acre" is also used as the symbol.


A hectare is a unit of measurement of area. It is equal to 10,000 square metres, or a square with sides of 100 by 100 metres. 100 hectares is 1 square kilometre. Therefore, a farm with 200 hectares of fields has 2 square kilometres of fields.