Acres to Hectares Converter
Convert acres to hectares and hectares to acres instantly.
Edit either field and the other updates instantly. 1 acre = 0.40468564224 hectares.
Acres to Hectares Quick Reference
| Acres (ac) | Hectares (ha) |
|---|---|
| 1 | 0.4047 |
| 5 | 2.0234 |
| 10 | 4.0469 |
| 50 | 20.2343 |
| 100 | 40.4686 |
The Acre to Hectare Conversion Factor
One acre is exactly equal to 0.40468564224 hectares, which is commonly rounded to 0.404686 ha. To convert acres to hectares, multiply the number of acres by 0.404686. To go the other way, divide the number of hectares by 0.404686 (or multiply by 2.471054).
- Hectares = Acres × 0.40468564224
- Acres = Hectares ÷ 0.40468564224
- An acre measures 43,560 square feet, while a hectare measures 10,000 square meters.
Common Uses
Acres and hectares are both units of land area. The acre is widely used in the United States, the United Kingdom, and other countries that follow imperial or US customary measurement. The hectare is the metric unit favored across most of the world for measuring land.
- Farmland: Field sizes, crop yields, and agricultural reports often switch between acres and hectares depending on the region.
- Real estate: Plot and property sizes are described in acres in some markets and hectares in others.
- Land management: Forestry, conservation, and zoning documents frequently require converting between the two units.