ACRES -> HECTARES

ACRES TO HECTARES · INSTANT · FREE · NO SIGN UP
Acres (ac)
ac
Hectares (ha)
ha
1 ac x 0.404686 = 0.4047 ha
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Acres (ac) Hectares (ha)

The Formula

To convert acres to hectares, multiply by 0.404686. One hectare is 10,000 m² and one acre is 4,046.856 m², so the conversion is:

ha = acres x 0.404686
acres = ha x 2.47105

Equivalently, 1 hectare = 2.471 acres. Both units measure land area; hectares are metric and acres are imperial.

Common References

Useful benchmarks for acres to hectares:

1 ac = 0.4047 ha
2.471 ac = exactly 1 ha
10 ac = 4.047 ha
100 ac = 40.47 ha
247.1 ac = 100 ha (1 km²)
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How to Convert Acres to Hectares

To convert acres to hectares, multiply the number of acres by 0.404686. Since 1 acre = 4,046.856 m² and 1 hectare = 10,000 m², one acre equals 4,046.856 ÷ 10,000 = 0.404686 hectares. To go back from hectares to acres, multiply by 2.47105.

For example, 25 acres = 25 x 0.404686 = 10.117 hectares. A 100-acre farm is about 40.47 hectares. One square kilometre = 100 hectares = 247.1 acres.

When Do You Need to Convert Acres to Hectares?

Acres are used in countries like the United States, United Kingdom, and Canada for land measurement. Hectares are the metric standard used in most of the world, especially in Europe, Australia, and Asia. You will commonly need this conversion when comparing land prices internationally, reading agricultural statistics, working with GPS and mapping software, or reviewing land use planning documents.

Frequently Asked Questions

How many hectares in an acre?

1 acre = 0.404686 hectares. To convert acres to hectares, multiply by 0.404686. For example, 5 acres = 5 x 0.404686 = 2.023 ha.

How many acres in a hectare?

1 hectare = 2.47105 acres. A hectare is larger than an acre - a hectare is 10,000 m² (100 m x 100 m), while an acre is about 4,047 m².

What is bigger, an acre or a hectare?

A hectare is bigger. One hectare equals approximately 2.47 acres. A hectare is exactly 10,000 m² - a square 100 m on each side - while an acre is roughly 4,047 m².

Which countries use acres and which use hectares?

Acres are used primarily in the United States, United Kingdom, and countries with British imperial measurement heritage. Hectares are the international standard used across Europe, Australia, Asia, and most of the world for agricultural and land measurements.

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