Hectares to Acres Converter
Convert hectares to acres instantly. Exact factor: 1 ha = 2.471 acres.
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Convert hectares to acres
The exact conversion factor is 1 ha = 2.471 acres. Type any value and the result updates instantly; the math is shown beneath the board.
Worked by hand
Multiply the hectares value by 2.471 to get acres.
Worked example
- Take 1 ha
- multiply by 2.471
- the result is 2.471 acres
How to use it
- Enter your hectares
- Read the acres result
- Check the factor line to verify by hand
Frequently asked questions
How many acres are in one hectares?
Exactly 2.471 acres, by the SI/NIST definition.
How do I convert acres back to hectares?
Divide by 2.471 — or use the full converter where both directions are one click.
Is this rounding or exact?
The factor is exact; only the displayed decimals are rounded.