Hectares to square miles (ha to mi²) converter

You can enter a value in either the hectares (ha) or square miles (mi²) input fields. For an understanding of the conversion process, we include algebraic formulas.

See conversions to common Area units and easily switch Area units in the two tabbed section below. Use the search bar above to find additional conversions.

Tip: Click the "Swap" button to switch from converting hectares to square miles to square miles to hectares.

hectares (ha)

 

square miles (mi²)

 
Swap
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1 ha = 0.00386102 mi² 1 mi² = 258.99881103 ha

Algebraic Steps / Dimensional Analysis Formula
ha * 100000000 cm²
1 ha
* 1 in²
6.4516 cm²
* 1 mi²
4014489600 in²
= mi²

Direct Conversion Formula
ha * 1 mi²
258.99881103 ha
= mi²

If you would like to switch between Area units, select from the tables below

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