Square miles to hectares (mi² to ha) converter

You can enter a value in either the square miles (mi²) or hectares (ha) 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 square miles to hectares to hectares to square miles.

square miles (mi²)

 

hectares (ha)

 
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1 mi² = 258.99881103 ha 1 ha = 0.00386102 mi²

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

Direct Conversion Formula
mi² * 258.99881103 ha
1 mi²		 = ha

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

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