1 acre = 0.4046856422 hectares
All conversions
| Unit | Symbol | Value |
|---|
How to Convert Acres to Hectares
The formula is hectares = acres × 0.4046856422. 1 acre = 0.4046856422 hectares. Type any value in the converter above for an instant answer, or use the chart below for the most common values.
This page is preset for acre to hectare conversions, but you can switch either list to any of the 39 units in the Area Converter, or go the other way with the Hectares to Acres converter.
Acres to Hectares conversion chart
| Acres | Hectares |
|---|---|
| 0.1 ac | 0.040468564 ha |
| 0.25 ac | 0.10117141 ha |
| 0.5 ac | 0.20234282 ha |
| 1 ac | 0.40468564 ha |
| 2 ac | 0.80937128 ha |
| 3 ac | 1.2140569 ha |
| 4 ac | 1.6187426 ha |
| 5 ac | 2.0234282 ha |
| 6 ac | 2.4281139 ha |
| 7 ac | 2.8327995 ha |
| 8 ac | 3.2374851 ha |
| 9 ac | 3.6421708 ha |
| 10 ac | 4.0468564 ha |
| 11 ac | 4.4515421 ha |
| 12 ac | 4.8562277 ha |
| 13 ac | 5.2609133 ha |
| 14 ac | 5.665599 ha |
| 15 ac | 6.0702846 ha |
| 16 ac | 6.4749703 ha |
| 17 ac | 6.8796559 ha |
| 18 ac | 7.2843416 ha |
| 19 ac | 7.6890272 ha |
| 20 ac | 8.0937128 ha |
| 25 ac | 10.117141 ha |
| 30 ac | 12.140569 ha |
| 40 ac | 16.187426 ha |
| 50 ac | 20.234282 ha |
| 60 ac | 24.281139 ha |
| 70 ac | 28.327995 ha |
| 75 ac | 30.351423 ha |
| 80 ac | 32.374851 ha |
| 90 ac | 36.421708 ha |
| 100 ac | 40.468564 ha |
| 150 ac | 60.702846 ha |
| 200 ac | 80.937128 ha |
| 250 ac | 101.17141 ha |
| 500 ac | 202.34282 ha |
| 1,000 ac | 404.68564 ha |
Common Acres to Hectares conversions
- 1 acre = 0.4046856422 hectares
Popular area converters
How to Use the Acres to Hectares Converter
- Type a value in the From box and choose its unit.
- Pick the unit you want in the To list — the result updates as you type.
- Use the swap button to reverse the conversion, or type in the To box to convert backwards.
- Check the All conversions table to see your value in every unit; click a row to make it the target.
Frequently Asked Questions
How many hectares are in an acre?
There are 0.4046856422 hectares in 1 acre. Going the other way, 1 hectare = 2.471053815 acres.
How do I convert Acres to Hectares?
Use the formula hectares = acres × 0.4046856422. For example, 1 acre = 0.4046856422 hectares. Or type the value in the converter above and the answer appears as you type.
What is the Acres to Hectares formula?
hectares = acres × 0.4046856422 — the conversion factor is exact to the digits shown, using the international definitions of both units.
What is 2 acres in hectares?
2 acres = 0.80937128 hectares.
What is 5 acres in hectares?
5 acres = 2.0234282 hectares.
What is 10 acres in hectares?
10 acres = 4.0468564 hectares.
What is 25 acres in hectares?
25 acres = 10.117141 hectares.
What is 100 acres in hectares?
100 acres = 40.468564 hectares.
How do I convert Hectares back to Acres?
Use the swap button in the converter above, or open our Hectares to Acres converter. acres = hectares × 2.471053815.
Is this Acres to Hectares converter accurate?
Yes. It uses exact unit definitions and double-precision maths, and you can show up to 15 significant digits. The table below is calculated with the same formula.
Can I convert Acres to other area units?
Yes — pick any unit in the From and To lists above, or open the full Area Converter, which handles 39 area units.
Is the Acres to Hectares converter free?
Yes, it is free with no sign-up, and every conversion runs in your browser so nothing is sent to a server.