Acre to Hectare
Instantly convert Acre (ac) to Hectare (ha). Free online converter with accurate results.
ac
Hectare (ha)
ha
ha = ac × 0.404686
Quick Reference: Acre to Hectare
| ac | ha |
|---|---|
| 0.25 | 0.1012 |
| 0.5 | 0.2023 |
| 1 | 0.4047 |
| 2 | 0.8094 |
| 5 | 2.0234 |
| 10 | 4.0469 |
| 25 | 10.1171 |
| 50 | 20.2343 |
| 100 | 40.4686 |
| 200 | 80.9371 |
| 500 | 202.3428 |
| 1,000 | 404.6856 |
How to Convert Acre to Hectare
Formula:
ha = ac × 0.404686
Example:
10 ac = 4.0469 ha
- Enter the value in Acre you want to convert
- The result is calculated automatically
- Copy your result in Hectare or continue converting
About Acre and Hectare
Acres and hectares measure large land areas. One acre equals approximately 0.4047 hectares. Acres are used in the US and UK, while hectares are the standard in most other countries.
Common Uses for This Conversion
International real estate and land transactions, agricultural planning, forestry management, and understanding land use reports across different countries.
💡Did You Know?
The acre has a practical origin: it was the amount of land a yoke of oxen could plow in one day. A hectare (10,000 sq m) is roughly 2.47 acres—close to the size of a rugby field.
Frequently Asked Questions
1 acre = 0.4047 hectares (exactly 0.40468564 ha = 4,047 m²). The acre has a medieval origin: it was the land a yoke of oxen could plow in one day. Today, acres are the standard for land in the US, UK, and Canada, while most of the world uses hectares. To convert, multiply acres by 0.4047.
5 acres = 2.023 hectares. This is a typical size for a hobby farm, smallholding, or large rural residential property. In Australia, a '5-acre lifestyle block' (about 2 ha) is a common rural-residential land parcel outside regional towns.
10 acres = 4.047 hectares. In the UK, a 'smallholding' is typically 5–50 acres; 10 acres (4 ha) sits squarely in this range. In the US, a 10-acre homestead is a classic self-sufficiency benchmark. The average EU farm is about 17 ha, meaning 10 acres is still well below average European farm size.
100 acres = 40.47 hectares. This is the scale of a medium-sized farm. In Russia and throughout Europe, agricultural land is measured in hectares, making this conversion essential for comparing US/UK property listings with European land records. The average US farm is about 180 ha (445 acres); the average EU farm is about 17 ha (42 acres).
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