Acres to Hectares Converter
Convert acres to hectares instantly with this free online converter. Type a value to see the result as you type — 1 acre equals 0.404686 hectares. Handy for real estate, flooring, and land measurements.
menu_bookQuick Reference
- 1 acre = 4,047 m²
- 1 hectare = 10,000 m²
- 1 sq mile = 640 acres
- 1 sq ft = 0.0929 m²
lightbulbTip
Use the swap button to quickly reverse a conversion. Results update in real time as you type, so there is no need to press a button.
How to Convert Acres to Hectares
To convert acres to hectares, multiply the value by 0.404686 (or divide by 2.47105). For example, 10 ac × 0.404686 = 4.04686 ha.
Acres to Hectares Conversion Table
| Acre (ac) | Hectare (ha) |
|---|---|
| 1 | 0.404686 |
| 2 | 0.809372 |
| 5 | 2.02343 |
| 10 | 4.04686 |
| 40 | 16.1874 |
| 100 | 40.4686 |
| 640 | 258.999 |
Frequently Asked Questions
How do you convert acres to hectares?
Multiply the acre value by 0.404686. For example, 10 ac × 0.404686 = 4.04686 ha. To convert back, multiply the hectare value by 2.47105.
How many hectares are in 1 acre?
There are 0.404686 hectares in 1 acre. Going the other way, 1 hectare equals 2.47105 acres.
What is 10 acres in hectares?
10 ac equals 4.04686 ha. Use the converter above for any other value, or scan the conversion table for common ones.
Related Conversions
Each page includes the formula, a reference table, and the live converter.