Acres to hectares Converter

Answer
0.404686 ha = 1 acre

1 acre = 0.404686 ha. To convert acres to hectares, multiply by 0.4046856422. To go back, multiply by 2.471053815 (or divide by 0.4046856422). Acres measure land in the US and UK; 1 acre = 43,560 sq ft.

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Converted area
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How we calculated this

    Printed from sizebench.com/sq-ft-to-m2-area-converter

    For estimating and educational purposes only. Results are approximate and are not a substitute for a licensed professional, the manufacturer's instructions or your local code. Disclaimer

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    Formula

    ha = acre × 0.4046856422 acre = ha × 2.471053815 5 acre × 0.4046856422 = 2.02343 ha

    Acres to hectares table

    acreha
    0.1 acre0.0404686 ha
    0.25 acre0.101171 ha
    0.5 acre0.202343 ha
    1 acre0.404686 ha
    2 acre0.809371 ha
    2.5 acre1.01171 ha
    5 acre2.02343 ha
    10 acre4.04686 ha
    20 acre8.09371 ha
    40 acre16.1874 ha
    50 acre20.2343 ha
    80 acre32.3749 ha
    100 acre40.4686 ha
    160 acre64.7497 ha
    320 acre129.499 ha
    640 acre258.999 ha
    1,000 acre404.686 ha

    Factors from NIST SP 811 and the BIPM SI Brochure; values rounded to 6 significant digits. Reverse: Hectares to acres.

    Frequently asked questions

    How many hectares is 5 acres?

    5 acre = 2.02343 ha.

    How many acres is 1 ha?

    1 ha = 2.47105 acre.

    Open the full calculator: Area Converter: Square Feet to m², Acres and Hectares →