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Hectares to Acres

Convert ha to acre quickly with this free online calculator. The page explains the conversion rule, gives practical examples and provides a quick reference table.

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CONVERTED RESULT—
Decimal places
CONVERSION RULE

1 hectare equals about 2.47105 acres.

How to use the Hectares to Acres

  1. Enter the number you want to convert.
  2. Confirm the source unit shown beside the input.
  3. Choose decimal precision if you need more or less detail.
  4. Read the converted result.
  5. Copy the result when you need to use it elsewhere.

How the conversion works

1 hectare equals about 2.47105 acres.

For a simple fixed-factor conversion, the calculator multiplies the entered value by the stated factor. Temperature scales and certain specialized tools use their specific mathematical relationship instead.

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Common ha to acre conversions

haacre
1 ha2.471054 acre
2 ha4.942108 acre
5 ha12.355269 acre
10 ha24.710538 acre
20 ha49.421076 acre
50 ha123.552691 acre

Example

For example, entering 1 ha gives approximately 2.471054 acre using the rule above. Change the input to test your own value.

Frequently asked questions

The Hectares to Acres converts a value from ha to acre using the conversion relationship described on this page.
Enter your value, review the source and destination units, choose the decimal precision and read or copy the result.
1 hectare equals about 2.47105 acres.
Use enough precision for your purpose. Everyday estimates usually need fewer decimal places; technical work may require more.
It can be a useful reference calculation, but safety-critical, regulated, contractual or specialized work should be verified against the applicable authoritative standard.

Accuracy note: This calculator is a practical reference. For regulated, safety-critical or specialized work, verify the result against the applicable standard.

Page reviewed: August 24, 2026.