Acre to Hectare Converter
Convert acres to hectares with this free area converter. The exact relationship used on this page is 1 acre = 0.40468564224 hectares. Type any number — the result updates instantly, works on phones and desktops, and is ready to copy into homework, a spec sheet, or a shopping list.
Formula: Hectare = Acre × 0.40468564224
How to convert acres to hectares
- Enter the value in acres in the converter.
- Read the equivalent amount in hectares.
- Use the swap link if you need hectare to acre instead.
- Check the table for common values without typing.
Worked examples
- 1 ac = 0.4046856422 ha
- 5 ac = 2.023428211 ha
- 10 ac = 4.046856422 ha
- 25 ac = 10.11714106 ha
Conversion table
Common acres values converted to hectares.
| ac | ha |
|---|---|
| 1 | 0.4046856422 |
| 2 | 0.8093712845 |
| 3 | 1.214056927 |
| 4 | 1.618742569 |
| 5 | 2.023428211 |
| 6 | 2.428113853 |
| 7 | 2.832799496 |
| 8 | 3.237485138 |
| 9 | 3.64217078 |
| 10 | 4.046856422 |
| 20 | 8.093712845 |
| 50 | 20.23428211 |
| 100 | 40.46856422 |
| 250 | 101.1714106 |
| 500 | 202.3428211 |
| 1,000 | 404.6856422 |
About this conversion
Acre (ac) and Hectare (ha) are both area units. Area converters help with flooring, land, real estate listings, and fabric. Bookmark this URL when you convert acres to hectares often, then explore related pairs in the same category if you need a different target unit.
Need the other direction? Open the hectare to acre converter.
FAQ
How many hectares are in 1 acre?+
1 acre equals 0.40468564224 hectares.
What is the formula to convert acres to hectares?+
Hectare = Acre × 0.40468564224
How do I convert acres to hectares by hand?+
Multiply the acre value by 0.40468564224. Example: 10 acres × 0.40468564224 = 4.0468564224 hectares.
Is this ac to ha converter accurate?+
Yes. Linear conversions use internationally agreed factors relative to SI. Temperature and inverse fuel units use the standard offset or reciprocal formulas, not a guessed scale factor.