How to convert Acres to Hectares
To convert acres to hectares, multiply by 0.40468564. For example, 5 ac × 0.40468564 = 2.0234282 ha.
Acres to Hectares conversion table
| Acres (ac) | Hectares (ha) |
|---|---|
| 0.25 | 0.101171 |
| 0.5 | 0.202343 |
| 1 | 0.404686 |
| 2 | 0.809371 |
| 3 | 1.214057 |
| 5 | 2.023428 |
| 10 | 4.046856 |
| 15 | 6.070285 |
| 20 | 8.093713 |
| 25 | 10.117141 |
| 50 | 20.234282 |
| 75 | 30.351423 |
| 100 | 40.468564 |
| 250 | 101.17141 |
| 500 | 202.34282 |
| 1000 | 404.68564 |
About the units
Acres (ac) — an imperial unit of land area equal to 43,560 square feet (about 4,047 m²).
Hectares (ha) — 10,000 square meters, the metric unit for farmland and land plots.
Frequently asked questions
How many hectares are in one acre?
One acre equals 0.40468564 hectares.
What is the formula to convert acres to hectares?
Multiply the value in acres by 0.40468564. For example, 10 ac × 0.40468564 = 4.0468564 ha.
How do I convert hectares back to acres?
Divide by 0.40468564 — or multiply by 2.4710538. You can also type directly in the second box of the converter above.
Is this converter accurate?
Yes. It uses the internationally defined conversion factors (for example, 1 inch = 2.54 cm exactly and 1 pound = 0.45359237 kg exactly) and shows up to 10 significant digits.