How to use it
- Type the number of Acres in the first field.
- Read the result in Hectares. You can also type in the Hectares field to convert the other way.
- Use the table of common values, or copy the result with one click.
How it works
Formula: ha = ac × 0.40468564
1 ac = 0.404686 ha, and 1 ha = 2.471054 ac.
Results use the exact definitions of both units. The page shows up to 6 decimal places; copy the value for full precision.
Examples
1 ac in ha
1 ac = 0.404686 ha, using ha = ac × 0.40468564.
5 ac in ha
5 ac = 2.023428 ha, using ha = ac × 0.40468564.
10 ac in ha
10 ac = 4.046856 ha, using ha = ac × 0.40468564.
Frequently asked questions
How do I convert Acres to Hectares?
Use the formula ha = ac × 0.40468564. For example, 1 ac = 0.404686 ha.
How do I convert Hectares back to Acres?
Use the reverse formula ac = ha × 2.4710538. For example, 1 ha = 2.471054 ac.
How accurate is this converter?
It uses the exact legal definitions of the units, so the only rounding is in the number of decimals shown. Copy the result to get the full value.
Privacy
The conversion runs entirely in your browser. Nothing you type is sent anywhere.