hectare to acre
Live hectare (ha) to acre (ac) converter. Plus a 10-value reference table and FAQs.
Conversion table
Ten sample values from hectare to acre. Use the converter above for arbitrary values.
| hectare (ha) | → | acre (ac) |
|---|---|---|
| 0.001 ha | → | 0.002471 ac |
| 0.01 ha | → | 0.024711 ac |
| 0.1 ha | → | 0.247105 ac |
| 0.5 ha | → | 1.235527 ac |
| 1 ha | → | 2.471054 ac |
| 2 ha | → | 4.942108 ac |
| 5 ha | → | 12.355269 ac |
| 10 ha | → | 24.710538 ac |
| 100 ha | → | 247.105381 ac |
| 1,000 ha | → | 2,471.053815 ac |
About the hectare
100 m × 100 m. Standard farm and forest area unit.
About the acre
4,047 m². US farmland and lot size.
How hectare to acre conversion works
Both units belong to Area. Unitbox first expresses the input in the category reference unit (m²), then expresses that same quantity in acre.
The right unit depends on the convention used by your industry, country, instrument, or source document.
Unit definitions and conversion factors are maintained in the Unitbox methodology. Last reviewed with the current conversion dataset.
Frequently asked questions
Frequently Asked Questions
How do I convert hectare to acre?
Multiply the hectare value by 2.471054 to get it in acre. For example, 10 ha = 24.7105 ac.
What is 1 ha in ac?
1 ha = 2.471054 ac.
What is 100 ha in ac?
100 ha = 247.1054 ac.
What is the formula?
Linear: multiply by 2.471054 (the unit factor ratio).
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