Hectares to Acres Converter
Type a value in hectares to see it in acres. It works both ways: type in the acres box to convert back.
Formula
To convert hectares to acres, multiply by 2.471053815.
1 ha = 2.47105381467 ac and 1 ac = 0.40468564224 ha.
Hectares to acres table
| Hectares | Acres |
|---|---|
| 0.5 ha | 1.235527 ac |
| 1 ha | 2.471054 ac |
| 2 ha | 4.942108 ac |
| 5 ha | 12.35527 ac |
| 10 ha | 24.71054 ac |
| 20 ha | 49.42108 ac |
| 50 ha | 123.5527 ac |
| 100 ha | 247.1054 ac |
Worked examples
1 ha in acres
1 ha
2.471054 ac
1 × 2.471053815 = 2.471053815
10 ha in acres
10 ha
24.71054 ac
10 × 2.471053815 = 24.71053815
50 ha in acres
50 ha
123.5527 ac
50 × 2.471053815 = 123.5526907
About Hectares to Acres Converter
This converter turns hectares into acres as you type, and works the other way too: type in the acres box to convert back. To convert hectares to acres, multiply by 2.471053815. For example, 1 ha is 2.471054 ac, and 10 ha is 24.71054 ac.
Area is length squared, so the factor between two area units is the square of the factor between the matching length units. That is why a square metre is not 3.28 but about 10.76 square feet. Both units have exact definitions, so the converter gives an exact result, rounded only for display. Use the table below for common values, or set the decimal places to round the answer for a form or a label.
How to use Hectares to Acres Converter
- Type the amount in hectares in the first box.
- Read the answer in acres in the second box and in the result line below.
- To convert the other way, type in the acres box instead, or use the swap button to open the acres to hectares page.
- Choose a number of decimal places if you need a rounded figure, then copy the result line.
Common uses
- Comparing floor areas in property listings
- Ordering flooring, turf or paving
- Understanding farmland and plot sizes
- Checking room sizes on a floor plan
Frequently asked questions
How many acres are in one hectare?
There are 2.471053815 acres in one hectare. This figure is exact, because both units have fixed definitions.
How do I convert hectares to acres?
To convert hectares to acres, multiply by 2.471053815. For example, 50 ha is 123.5527 ac.
How do I convert acres to hectares?
Going the other way, divide by 2.471053815 (the same as multiplying by 0.4046856422). The acres to hectares converter does this for you.
What is 10 ha in acres?
10 ha is 24.71054 ac.
Why is the area factor so much bigger than the length factor?
Area multiplies two lengths together, so the length factor is applied twice. One metre is about 3.2808 feet, so one square metre is about 3.2808 × 3.2808 = 10.764 square feet.