Hectares to Acres (ha to ac)

Free online hectare to acre converter. Type a value, get an instant exact result — plus the formula, a ready-made conversion table, and reverse conversion.

AREA CONVERTER — INSTANT RESULT
Formula: multiply the hectare value by 2.47105381 — i.e. ac = ha × 2.47105381
Quick check: 1 ha = 2.47105381 ac

Hectares to Acres conversion table

Hectares (ha)Acres (ac)
1 ha2.47105381 ac
2 ha4.94210763 ac
3 ha7.41316144 ac
4 ha9.88421526 ac
5 ha12.35526907 ac
6 ha14.82632289 ac
7 ha17.2973767 ac
8 ha19.76843052 ac
9 ha22.23948433 ac
10 ha24.71053815 ac
15 ha37.06580722 ac
20 ha49.42107629 ac
25 ha61.77634537 ac
30 ha74.13161444 ac
40 ha98.84215259 ac
50 ha123.55269073 ac
75 ha185.3290361 ac
100 ha247.10538147 ac
250 ha617.76345367 ac
500 ha1,235.52690734 ac
1,000 ha2,471.05381467 ac

How to convert hectares to acres

To convert hectares to acres, multiply the amount in hectares by 2.47105381. For example, 10 ha = 24.71053815 ac. To convert in the other direction, divide by the same factor, or use the ⇄ swap button above.

Convert between metric and imperial/US land area units, including the acre (43,560 ft² exactly) and hectare (10,000 m²) used worldwide for land measurement.

Frequently asked questions

How many acres are in one hectare?
One hectare is exactly 2.47105381 acres.
How do I convert ha to ac?
Multiply the ha value by 2.47105381 to get ac. The converter at the top of this page does this automatically and works in both directions.
How much is 100 hectares in acres?
100 hectares equals 247.10538147 acres.

Related area conversions

All Area unitsAcres to Hectares (ac to ha) — reverse conversionft² → m²m² → ft²in² → cm²yd² → ft²km² → mi²cm² → in²mm² → in²