Acres to Hectares Converter
Enter acres to get hectares instantly. Works both ways.
How to convert acres to hectares
To convert acres to hectares, multiply by 0.404686 (or divide by 2.47105). For example, 5 acres × 0.404686 = 2.02343 hectares.
Need it the other way? Convert hectares to acres.
Acres to Hectares at a glance
- 1 acre = 0.4046856 hectares
- 5 acres = 2.023428 hectares
- 10 acres = 4.046856 hectares
- 50 acres = 20.23428 hectares
- 100 acres = 40.46856 hectares
- 1 hectare = 2.471054 acres (the reverse)
Worked examples
25 acres × 0.4046856 = 10.11714 hectares.
250 acres × 0.4046856 = 101.1714 hectares.
1,500 acres × 0.4046856 = 607.0285 hectares.
Converting back
To go from hectares back to acres, divide by 0.4046856 (or multiply by 2.471054). For example, 100 hectares ÷ 0.4046856 = 247.1054 acres.
Using a rounded factor
For a quick estimate you can use 0.4 in place of 0.4046856. That is accurate to within about 1.2%, which is fine for rough checks but not for exact work.
Acres to hectares chart
| Acres | Hectares |
|---|---|
| 0.1 acres | 0.040469 hectares |
| 0.25 acres | 0.101171 hectares |
| 0.5 acres | 0.202343 hectares |
| 1 acres | 0.404686 hectares |
| 2 acres | 0.809371 hectares |
| 3 acres | 1.21406 hectares |
| 4 acres | 1.61874 hectares |
| 5 acres | 2.02343 hectares |
| 6 acres | 2.42811 hectares |
| 7 acres | 2.8328 hectares |
| 8 acres | 3.23749 hectares |
| 9 acres | 3.64217 hectares |
| 10 acres | 4.04686 hectares |
| 15 acres | 6.07028 hectares |
| 20 acres | 8.09371 hectares |
| 25 acres | 10.1171 hectares |
| 30 acres | 12.1406 hectares |
| 40 acres | 16.1874 hectares |
| 50 acres | 20.2343 hectares |
| 75 acres | 30.3514 hectares |
| 100 acres | 40.4686 hectares |
| 250 acres | 101.171 hectares |
| 500 acres | 202.343 hectares |
| 1,000 acres | 404.686 hectares |
More area & land conversions
Frequently asked questions
How many hectares are in one acre?
There are 0.404686 hectares in one acre.
How do I convert acres to hectares?
Multiply the value in acres by 0.404686.
How many acres are in one hectare?
There are 2.471054 acres in one hectare.
What is 10 acres in hectares?
10 acres = 4.046856 hectares.
How do I convert hectares back to acres?
Divide the value in hectares by 0.4046856, or multiply it by 2.471054.
Can I use a rounded factor for acres to hectares?
For quick estimates, 0.4 is close (within about 1.2%). Use 0.4046856 when you need the full figure.