Hectares to Acres converter (ha to ac)
Convert Hectares (ha) to Acres (ac) with this free calculator. Type a value, press Convert, and the page applies the same factor shown in the formula below — no rounded shortcut, and nothing is stored on a server.
Acres to Hectares (ac to ha) ►
How to convert Hectares to Acres
1 hectare (ha) is equal to 2.47105 acres.
ac = ha × 2.47105
Multiply the hectares by 2.47105:
Example: Convert 5 ha to acres:
ac = 5 × 2.47105 = 12.3553 ac
What is a Hectares?
The Hectares (ha) is the starting or target unit on this page. Use the calculator above to convert values without looking up the factor by hand.
What is a Acres?
The Acres (ac) is the starting or target unit on this page. Use the calculator above to convert values without looking up the factor by hand.
This page converts area from Hectares into Acres. One ha equals 2.47105 ac.
Hectares to Acres conversion table
Common ha values and the matching ac result, calculated with the same factor as the widget. Highlight a nearby row if you want a quick check without entering a number.
| Hectares (ha) | Acres (ac) |
|---|---|
| 0.1 ha | 0.247105 ac |
| 0.5 ha | 1.235525 ac |
| 1 ha | 2.47105 ac |
| 2 ha | 4.9421 ac |
| 5 ha | 12.35525 ac |
| 10 ha | 24.7105 ac |
| 50 ha | 123.5525 ac |
| 100 ha | 247.105 ac |
How this calculator works
The form on this page is a Hectares-to-Acres converter. After you enter a number, JavaScript multiplies or rearranges it with the published conversion factor and writes the ac result in the output box. The step-by-step panel repeats the arithmetic so you can copy it into homework or a spreadsheet.
Reviewed by Hamsen, founder of GigaTables and a biology engineer. See the about page for how formulas are checked before a tool is published.
FAQ
How many ac are in 1 ha?
1 ha = 2.47105 ac.
How do I convert Hectares to Acres?
Multiply the hectares by 2.47105:
Is this ha to ac converter free?
Yes. GigaTables calculators are free to use in a browser. You do not need an account, and the values you type are not uploaded.