Acres to Hectares Converter

Enter a value in acres to get the result in hectares instantly — or type in either box to convert both ways.

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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)
0.250.101171
0.50.202343
10.404686
20.809371
31.214057
52.023428
104.046856
156.070285
208.093713
2510.117141
5020.234282
7530.351423
10040.468564
250101.17141
500202.34282
1000404.68564

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.

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