Acres to Hectares

Convert acres (ac) to hectares (ha). Type in either box; the other updates as you go.

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1 ac = 0.40468564 ha

1 acre equals0.4046856422 ha
1 hectare equals2.471053815 ac
Formulaha = ac × 0.4046856422

How to convert acres to hectares

To convert acres to hectares, multiply the number of acres by 0.4046856422.

ha = ac × 0.4046856422

Example

Convert 5 acres to hectares:

5 ac × 0.4046856422 = 2.02343 ha

Acre to hectare conversion chart

Acres to hectares
Acres (ac)Hectares (ha)
1 ac0.4046856 ha
2 ac0.8093713 ha
3 ac1.214057 ha
4 ac1.618743 ha
5 ac2.023428 ha
6 ac2.428114 ha
7 ac2.832799 ha
8 ac3.237485 ha
9 ac3.642171 ha
10 ac4.046856 ha
12 ac4.856228 ha
15 ac6.070285 ha
20 ac8.093713 ha
25 ac10.11714 ha
30 ac12.14057 ha
40 ac16.18743 ha
50 ac20.23428 ha
60 ac24.28114 ha
70 ac28.32799 ha
75 ac30.35142 ha
80 ac32.37485 ha
90 ac36.42171 ha
100 ac40.46856 ha
150 ac60.70285 ha
200 ac80.93713 ha
250 ac101.1714 ha
500 ac202.3428 ha
1,000 ac404.6856 ha

Going the other way? See the hectares to acres chart.

About the units

Acre (ac)

An acre is 43,560 square feet, about 4,047 square meters. US and UK land is measured in acres.

Hectare (ha)

A hectare is 10,000 square meters, a square 100 meters on each side, or about 2.47 acres. It is the standard unit for farmland outside the US.

Frequently asked questions

How many hectares are in an acre?

There are 0.4046856422 hectares in an acre.

How many acres are in a hectare?

There are 2.471053815 acres in a hectare.

How do you convert acres to hectares?

To convert acres to hectares, multiply the number of acres by 0.4046856422.

What is 5 acres in hectares?

5 acres equals 2.02343 hectares.

Convert between square feet, square meters, acres, hectares and other units of area. Open the area converter to see a value in every unit at once.