At One Place

Hectares to acres

1 hectare in acres
1 ha = 2.471054 acre
acre = ha × 2.471053815

To convert hectares to acres, multiply by 2.471053815. The table below gives the values people look up most often, and the converter works for any number.

Hectares to acres table

Common hectare values converted to acres.
Hectares Acres
1 ha 2.471054
2 ha 4.942108
3 ha 7.413161
4 ha 9.884215
5 ha 12.35527
10 ha 24.71054
15 ha 37.06581
20 ha 49.42108
25 ha 61.77635
30 ha 74.13161
40 ha 98.84215
50 ha 123.5527
75 ha 185.329
100 ha 247.1054
250 ha 617.7635
500 ha 1,235.5269
1,000 ha 2,471.0538

How the conversion works

The relationship is acre = ha × 2.471053815. Both units measure area, so the conversion is a fixed factor that never changes.

Common questions

How many acres are in one hectare?
One hectare equals 2.471054 acres. acre = ha × 2.471053815.
How do you convert hectares to acres?
Use acre = ha × 2.471053815. So 10 ha is 24.71054 acre.
How many hectares are in one acre?
One acre equals 0.40469 hectares, which is the reverse of the conversion above.

Related pages

Sources

  1. Guide for the Use of the International System of Units (SP 811) — NIST (Public domain (US Government))
  2. The International System of Units (SI Brochure) — Bureau International des Poids et Mesures
  3. Calculated on this page — At One Place

How these figures are compiled and checked