Acres to Hectares
Convert acres to hectares for land, farm acreage, parcels, real estate, GIS data, and international reporting.
How to convert ac to ha
To convert a value from acres (ac) to hectares (ha), enter the number in the converter above. Use the swap control if you need the reverse direction.
x is the source value in ac; y is the result in ha.
Popular conversions
Quick answers for common ac to ha values are available from the related conversion pages.
Use the related tools section for fixed-value conversions and the reverse direction.
Common conversion table
Quick reference table for common ac to ha values:
| ac | ha |
|---|---|
| 1 | 0.404686 |
| 5 | 2.023428 |
| 10 | 4.046856 |
| 50 | 20.234282 |
| 100 | 40.468564 |
| 1,000 | 404.685642 |
About acres
Acre (ac) — One acre is exactly 43,560 square feet, or 4,046.8564224 square meters.
Common uses: Acres are common in the United States and parts of Canada for land, farms, parcels, real estate, and property records.
About hectares
Hectare (ha) — One hectare is exactly 10,000 square meters.
Common uses: Hectares are used for land, farms, forestry, parcels, GIS data, environmental reporting, and international real estate.
Frequently Asked Questions
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