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Convert hectare to acre

1 ha = 2.471053815 ac

1 ha = 2.47 ac
1 ha in every area unit
square millimeter10,000,000,000 mm²
square centimeter100,000,000 cm²
square meter10,000 m²
hectare1 ha
square kilometer0.01 km²
square inch15,500,000 in²
square foot108,000 ft²
square yard12,000 yd²
acre2.47 ac
square mile0.00386 mi²
How the conversion works

Multiply by 2.471053815 to go from hectare to acre, or divide by it to go back. Every conversion on this site routes through the SI value (m²) rather than a table of pairwise factors, so a round-trip returns exactly what you started with.

Going the other way? acre to hectare — 1 ac = 0.4046856422 ha.

hectare to acre — common values
1 ha2.4710538 ac
2 ha4.9421076 ac
3 ha7.4131614 ac
5 ha12.355269 ac
10 ha24.710538 ac
15 ha37.065807 ac
20 ha49.421076 ac
25 ha61.776345 ac
50 ha123.55269 ac
75 ha185.32904 ac
100 ha247.10538 ac
250 ha617.76345 ac
500 ha1,235.5269 ac
1000 ha2,471.0538 ac
Other area conversions
mm² → accm² → acm² → ackm² → acin² → acft² → acyd² → acha → mm²

All area units →

Solvers that use area