Acres to Hectares
Convert acres to hectares instantly. Multiply by 0.404686 to get the exact metric equivalent of any land area.
Hectares (ha)
0.4047 ha
About this calculator
Acres and hectares are both units of land area commonly used in agriculture and real estate. One acre equals approximately 0.404686 hectares, making hectares a bit less than half an acre. This converter is useful for comparing land sizes between the US customary system and the metric system. Enter any acreage to instantly see the equivalent in hectares.
How to use the Acres to Hectares converter
- Enter your value into the input field.
- Read the converted result.
- Adjust the input to try other values instantly.
- Copy the page URL to share the exact conversion.
Common examples
- 1 ac = 0.4047 ha
- 5 ac = 2.0234 ha
- 10 ac = 4.0469 ha
- 100 ac = 40.4686 ha
- 500 ac = 202.3430 ha
Frequently asked questions
How does the Acres to Hectares converter work?
Enter a value in the source unit and the calculator applies the standard conversion factor (or temperature formula, where relevant) to give you the equivalent value in the target unit. The result updates as you type.
When would I use a Acres to Hectares converter?
Whenever you need to translate a quantity between two units of measurement — common cases include travel, cooking, shipping, engineering, science homework, and reading product specifications written in a different system.
How accurate is the Acres to Hectares converter?
Conversions use the standard definitions of each unit and full-precision arithmetic. The displayed value is rounded for readability, but the underlying calculation keeps higher precision so repeated conversions do not drift.
Can I share a specific conversion with someone else?
Yes. Every value you enter updates the URL, so copying the address bar and sharing the link reopens the exact same conversion for whoever clicks it.