Convert acres to hectares

1 acre equals 0.404686 hectares. To convert acres to hectares, multiply the number of acres by 0.404686: for example, 10 ac is 4.04686 ha. Ethical Tube's free acres to hectares converter does the math as you type, and the chart below lists common values.

1 ac = 0.404686 ha

1 ac
0.404686 ha
1 ha
2.47105 ac
Formula
ha = ac × 0.404686
Measures
Area
Price
Free
Works offline
Yes

Conversion chart

acres to hectares chart

Acres (ac)Hectares (ha)
1 ac0.404686 ha
2 ac0.809371 ha
3 ac1.21406 ha
4 ac1.61874 ha
5 ac2.02343 ha
6 ac2.42811 ha
8 ac3.23749 ha
10 ac4.04686 ha
12 ac4.85623 ha
15 ac6.07028 ha
20 ac8.09371 ha
25 ac10.1171 ha
50 ac20.2343 ha
100 ac40.4686 ha

How it works

How to convert acres to hectares

  1. Know the formula

    ha = ac × 0.404686. In words: multiply the number of acres by 0.404686.

  2. Work an example

    10 ac → 4.04686 ha. Round to two or three decimal places for everyday use.

  3. Or type it in

    Enter any value in the converter above and the answer appears instantly, in both directions.

Good to know

About area units

  • A square meter is about 10.76 square feet.
  • An acre is 43,560 square feet, and a hectare is 10,000 square meters, about 2.47 acres.

FAQ

Questions, answered

How many hectares are in an acre?

There are 0.404686 hectares in 1 acre. To convert acres to hectares, multiply the number of acres by 0.404686.

What is 10 acres in hectares?

10 acres is 4.04686 hectares.

How do you convert hectares back to acres?

Multiply the number of hectares by 2.47105. 1 hectare is 2.47105 acres.

Is this acres to hectares converter free?

Yes. It's free and works in any browser, even offline once the page has loaded. The answer updates as you type, and nothing you enter is sent anywhere.

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