Acres to Hectares Converter
Convert acres to hectares instantly, free in your browser. Enter an area in acres and get the exact value in hectares — no upload, no sign up.
Your result will appear here
Result
1 ac = 0.404686 ha · ha = ac × 0.404686
How to use
- Enter a value in acres (ac) in the box above — it is already filled with 10 as an example.
- Click Convert to hectares (ha) (or just keep typing — the result updates as you type).
- Read the converted value in hectares (ha). Use Swap to convert back from hectares (ha) to acres (ac).
Frequently asked questions
What is the formula to convert acres (ac) to hectares (ha)?
1 ac = 0.404686 ha . ha = ac × 0.404686.
How do I convert hectares (ha) back to acres (ac)?
Use the reverse conversion: 1 ha = 2.47105 ac . ac = ha × 2.47105. Or just click the Swap button on this page — it flips the direction and converts your value back instantly.
When would I need to convert acres (ac) to hectares (ha)?
Acres are the traditional land-area unit in the United States and the United Kingdom, while hectares are the metric standard. This converter helps with farmland, property listings and park sizes. You can convert ac to ha — no signup, nothing to install.
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