Hectares to acres

acres = hectares × 2.471054

How to convert hectares to acres

One hectare is 2.471054 acres, so multiply the number of hectares by 2.471054. For example, 20 hectares is 20 × 2.471054 = 49.421076 acres. To go back, divide by the same number, or multiply by 0.40468564.

Quick estimate

Multiplying by about 2.5 gets within 1.2% of the exact answer, which is enough to check that a result makes sense.

Where it comes up

Area conversions come up when buying flooring, paint or turf, comparing house and flat sizes, and measuring land and gardens.

hectares	acres
1 ha	2.471054 ac
2 ha	4.942108 ac
3 ha	7.413161 ac
4 ha	9.884215 ac
5 ha	12.355269 ac
6 ha	14.826323 ac
7 ha	17.297377 ac
8 ha	19.768431 ac
9 ha	22.239484 ac
10 ha	24.710538 ac
11 ha	27.181592 ac
12 ha	29.652646 ac
13 ha	32.1237 ac
14 ha	34.594753 ac
15 ha	37.065807 ac
16 ha	39.536861 ac
17 ha	42.007915 ac
18 ha	44.478969 ac
19 ha	46.950022 ac
20 ha	49.421076 ac
25 ha	61.776345 ac
30 ha	74.131614 ac
40 ha	98.842153 ac
50 ha	123.552691 ac
60 ha	148.263229 ac
70 ha	172.973767 ac
75 ha	185.329036 ac
80 ha	197.684305 ac
90 ha	222.394843 ac
100 ha	247.105381 ac
120 ha	296.526458 ac
150 ha	370.658072 ac
200 ha	494.210763 ac
250 ha	617.763454 ac
300 ha	741.316144 ac
400 ha	988.421526 ac
500 ha	1,235.53 ac
750 ha	1,853.29 ac
1,000 ha	2,471.05 ac
1,500 ha	3,706.58 ac
2,000 ha	4,942.11 ac
5,000 ha	12,355.27 ac
10,000 ha	24,710.54 ac

Questions

How many acres are in a hectare?

2.471054 acres.

How do I convert hectares to acres in a spreadsheet?

Put the value in A1 and type =A1*2.471054, then fill the formula down the column.

Are the values in the table exact?

They are calculated from the exact definitions of the units and rounded only for display. Open any row for the full working.