📐 Acre to Hectare Converter
Free online tool to convert Acre (ac) to Hectare (ha). Enter a value and get instant, accurate results.
Enter a value above to see the result
Acre to Hectare Conversion Table
| Acre (ac) | Hectare (ha) |
|---|---|
| 1 ac | 0.40468564 ha |
| 10 ac | 4.0468564 ha |
| 100 ac | 40.468564 ha |
| 1000 ac | 404.68564 ha |
| 10000 ac | 4046.8564 ha |
| 100000 ac | 40468.564 ha |
Conversion Formula
Area scales as the square of length: 1 km² = 1,000,000 m² (not 1,000 m²) 1 mi² = 640 ac • 1 ac = 43,560 ft² • 1 ha = 10,000 m²
About Acre to Hectare Conversions
The Acre to Hectare converter gives instant, accurate area conversions. Enter any ac value and get the exact ha equivalent.
The conversion factor is: 1 ac = 0.40468564 ha. To convert manually, multiply your value by 0.40468564. As a quick example: 10 ac = 4.0468564 ha.
Below you will find a pre-calculated conversion table, the exact formula used, and answers to common questions about Acre to Hectare conversions. All calculations follow internationally recognized standards.
Frequently Asked Questions
How do I convert Acre to Hectare?
Multiply your Acre value by 0.40468564 to get Hectare. For example: 10 ac × 0.40468564 = 4.0468564 ha. You can also use the converter above for instant results.
How many Hectare are in 1 Acre?
There are 0.40468564 ha in exactly 1 ac. This is the direct conversion factor between these two units.
Is Acre larger or smaller than Hectare?
One Acre is smaller than one Hectare. Specifically, 1 ac = 0.40468564 ha, so your number decreases when converting from ac to ha.
When would I use Hectare instead of Acre?
Use ha for your target audience. Square feet and acres are standard in the US for real estate and land; square meters and hectares are standard internationally.
Related Area Conversions
Reference Charts
Acres to Hectares Conversion Chart
Quick-reference chart converting acres (ac) to hectares (ha). Covers 0.25 to 10,000 acres — for land purchases, farming, real estate, and construction projects.
Hectares to Acres Conversion Chart
Quick-reference chart converting hectares (ha) to acres (ac). Covers 0.1 to 4,000 hectares — essential for agriculture, real estate, and international land comparisons.
Square Feet to Square Meters Conversion Chart
Reference chart converting square feet (ft²) to square meters (m²). Covers 50 to 10,000 sq ft — for apartments, homes, offices, and construction projects.
Square Meters to Square Feet Conversion Chart
Reference chart converting square meters (m²) to square feet (ft²). Covers 10 to 1,000 m² — for international property listings, construction, and renovation planning.
Related Guides
All conversion results are provided for general informational purposes only. Our formulas use internationally recognized conversion factors; however, rounding may affect precision. Do not rely on these results for professional, medical, legal, or engineering decisions without independent verification. Read our full disclaimer.