Convert Acre to Hectare
Use this free converter to change acres (ac) into hectares (ha). Acre and hectare both measure area. As a quick reference, 1 ac equals 0.40468564 ha, and 1 ha equals 2.4710538 ac.
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Hectare (ha)
0.40468564
1 ac = 0.40468564 ha
Area conversion table
| Acre | Hectare |
|---|---|
| 0.01 | 0.0040468564 |
| 0.1 | 0.040468564 |
| 0.5 | 0.20234282 |
| 1 | 0.40468564 |
| 2 | 0.80937128 |
| 3 | 1.2140569 |
| 5 | 2.0234282 |
| 10 | 4.0468564 |
| 20 | 8.0937128 |
| 25 | 10.117141 |
| 50 | 20.234282 |
| 100 | 40.468564 |
| 1,000 | 404.68564 |
How to convert Acre to Hectare
Multiply the acre value by 0.40468564 to get hectares.
- Enter the number of acres you want to convert.
- The converter instantly shows the equivalent value in hectares.
- Worked example: 15 ac × 0.40468564 = 6.0702846 ha.
- Use the swap button to reverse the conversion (hectare to acre).
About these units
Acre (ac)
- Definition
- An acre (ac) is a unit of land area equal to 43,560 square feet, or about 4,047 square meters.
- History
- Originally the area a yoke of oxen could plough in a day, it was standardised in medieval England.
- Current use
- Acres measure farmland and real-estate plots in the US and UK.
Hectare (ha)
- Definition
- A hectare (ha) is a metric unit of area equal to 10,000 square meters, or about 2.47 acres.
- History
- It was introduced with the metric system as a practical unit for land.
- Current use
- Hectares are the standard unit for farmland and land area in most of the world.
Frequently asked questions
How many hectares are in a acre?
There are 0.40468564 ha in 1 ac. To convert, multiply the number of acres by 0.40468564.
How do I convert acres to hectares?
Multiply the acre value by 0.40468564 to get hectares. For example, 10 ac = 4.0468564 ha.
Is this acre-to-hectare converter free?
Yes. This converter is completely free, runs entirely in your browser, and requires no sign-up. Your inputs never leave your device.
Convert Acre to other area units
| Unit | 1 Acre equals |
|---|---|
| Square Meter (m²) | 4046.8564 m² |
| Square Kilometer (km²) | 0.0040468564 km² |
| Square Centimeter (cm²) | 40468564 cm² |
| Square Mile (mi²) | 0.0015625 mi² |
| Square Yard (yd²) | 4840 yd² |
| Square Foot (ft²) | 43560 ft² |
| Square Inch (in²) | 6272640 in² |
| Hectare (ha) | 0.40468564 ha |