Hectares to square millimeters (ha to mm²) converter

You can enter a value in either the hectares (ha) or square millimeters (mm²) 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 millimeters to square millimeters to hectares.

hectares (ha)

 

square millimeters (mm²)

 
Swap
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1 ha = 10000000000 mm² 1 mm² = 0 ha

Algebraic Steps / Dimensional Analysis Formula
ha * 10000000000 mm²
1 ha
= mm²

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

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