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Hectares to Acres

Type a number in Hectares and see it in Acres instantly. For land and farm areas.

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Calculations run in this page only. Conversion factors follow official definitions.

How to use

  1. 1. Type a numberEnter a value in Hectares in the top box.
  2. 2. See the answerThe answer in Acres appears right away. Type in the bottom box to convert back.
  3. 3. Use the chartA chart of common values appears on the right. You can print it.

Hectares to Acres chart

haac
12.47105
24.94211
512.3553
1024.7105
2049.4211
2561.7763
50123.553
100247.105

Sources

Conversion factors follow official definitions such as the NIST conversion tables.

Sources: NIST Guide to the SI, Appendix B

FAQ

What is 1 ha in ac?

1 ha = 2.471053815 ac.

How do I convert Hectares to Acres?

Multiply the number of Hectares by 2.471053815. Formula: ac = ha × 2.471053815

How do I convert Acres back to Hectares?

Divide by 2.471053815 (or multiply by 0.4046856422). Press Swap to convert the other way.

How many ac is 1 ha?

1 ha is 2.47105 ac. The table below lists more values.

How many ac is 10 ha?

10 ha is 24.7105 ac. The table below lists more values.

Is my data sent anywhere?

No. The conversion happens in your browser.

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