Calculators » Conversion » Area » Ha to sq mi/ Sq mi to ha

Convert between Hectare and Square mile

Our online tools will provide quick answers to your calculation and conversion needs. On this page, you can convert area units from hectares to square miles and square miles to hectares.

Area in hectare (ha)

Area in square mile (sq mi)

Enter the value you want to convert, and leave the target field blank.

Android: Use this area converter offline with our all-in-one calculator app.

Conversion formula

1 square mile (mi2) = 258.998811 hectares (ha)
1 hectare (ha) = 0.003861 square miles (mi2)

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