Acres to hectares
1 acre = 0.40468564224 ha. Type in either box to convert both ways, in exact decimals.
The formula
1 acre = 0.40468564224 ha
To convert acres to hectares, multiply by 0.40468564224.
An acre is exactly 4,046.8564224 m² and a hectare is exactly 10,000 m², so 1 acre = 0.40468564224 ha exactly.
Common values
| Acres | Hectares |
|---|---|
| ¼ | 0.1012 |
| ½ | 0.2023 |
| 1 | 0.4047 |
| 2 | 0.8094 |
| 5 | 2.0234 |
| 10 | 4.0469 |
| 20 | 8.0937 |
| 50 | 20.2343 |
| 100 | 40.4686 |
| 640 | 258.9988 |
Worked out by Figure's own converter, rounded to 4 decimal places.
How to use it
Type a number in the top box and the answer appears in the bottom one as you type; type in the bottom box to go the other way. The round button swaps the units, the unit names open every other unit, and the Every unit list shows the same amount in all of them. Sums work in the boxes too. Nothing is uploaded and there is no account.
Good for:
- Land, farm and plot sizes
- Property listings
- Parks, woods and nature reserves
- Comparing UK and US land with metric figures
Questions
How many hectares is 1 acre?
1 acre is exactly 0.40468564224 hectares.
How big is a hectare?
A hectare is 100 m × 100 m, which is 2.471 acres; a football pitch is roughly three quarters of a hectare.