Conversions

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Acres to Hectares Converter.

Convert acres to hectares using the international acre definition.

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Results update as you type.

Result: 0.40468564

Result

0.40468564

Use Cases

Real Estate and Land Measurement

Quickly convert land area listings between acres and hectares, common in property sales, agriculture, and land management.

Example: A 50-acre farm is equal to 20.234 hectares.

International Comparison

When comparing land sizes across countries that use different units, this converter helps standardize measurements.

Example: Convert 100 hectares to acres to compare with US listings.

Frequently Asked Questions

How many hectares are in an acre?
One international acre is equal to 0.40468564224 hectares. This converter uses that exact value for accurate conversions.
Can I convert between other units like square feet and square miles?
Yes, the converter supports conversions between acres, hectares, square feet (ft²), square meters (m²), square miles (mi²), and square kilometers (km²). Simply select the desired units from the dropdowns.
Is the international acre the same as the US survey acre?
No, the international acre (used here) equals 4,046.8564224 square meters, while the US survey acre is slightly larger (about 4,046.87261 m²). This tool uses the international definition for consistency.

Tips & Common Mistakes

Tips

  • Double-check your input value and selected units before converting to avoid errors.
  • For large areas, use square miles or square kilometers for easier readability.
  • Remember that 1 hectare is about 2.471 acres, so you can estimate if needed.
  • Use the converter for both small plots and large tracts; it handles any numeric value.

Common Mistakes to Avoid

  • Confusing the international acre with the US survey acre, which can cause slight discrepancies.
  • Forgetting to select the correct 'Convert from' and 'Convert to' units, leading to reversed conversions.
  • Assuming 1 acre equals exactly 0.4 hectares; the precise value is 0.40468564224.

Last updated: August 13, 2026