Acres to Hectares Converter
Convert acres (ac) to hectares (ha) for farmland, property listings, land records, landscaping and large plots.
Convert area instantly
How to convert acres (ac) to hectares (ha)
Multiply acres by 0.40468564224 to calculate hectares. To convert hectares back to acres, divide the hectare value by this factor (or multiply by about 2.47105).
Example: 5 acres × 0.40468564224 = 2.0234282112 hectares.
Quick conversion reference
| ac | ha |
|---|---|
| 1 | 0.40468564 |
| 2 | 0.80937128 |
| 5 | 2.02342821 |
| 10 | 4.04685642 |
| 25 | 10.11714106 |
| 100 | 40.46856422 |
When is this conversion useful?
Compare farmland and field sizes in metric units.
Interpret land areas in listings and documents.
Compare plots and large properties across regions.
About these area units
An acre is a customary land-area unit used widely in property and agriculture. A hectare is a metric unit equal to 10,000 square meters. Hectares are common in land planning and agriculture, while acres remain common in many property markets.
Area measures the amount of two-dimensional surface inside a boundary. Keep units consistent when comparing floor plans, property advertisements, landscaping plans or land records. For official transactions, confirm the unit and measurement method used by the relevant listing or authority.
Frequently asked questions
How many hectares are in one acre?
One international acre equals 0.40468564224 hectares.
How many acres are in one hectare?
One hectare equals approximately 2.4710538 acres.
Is an acre-to-hectare conversion exact?
The factor 0.40468564224 is the standard conversion for the international acre. Displayed results may be rounded for readability.
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Use this quick acres to hectares conversion chart to estimate land area for farms, property listings, land records and site planning. Multiply acres by 0.40468564224 to convert the area into hectares.
Acres to Hectares Conversion Table
| Area in acres | Area in hectares |
|---|---|
| 1 acre | 0.40469 ha |
| 5 acres | 2.02343 ha |
| 10 acres | 4.04686 ha |
| 25 acres | 10.11714 ha |
| 50 acres | 20.23428 ha |
| 100 acres | 40.46856 ha |
How to Convert Hectares to Acres
To convert hectares back to acres, divide the number of hectares by 0.40468564224, or multiply by approximately 2.47105. Use the swap control in the converter above to switch the direction and enter a value in hectares.