Square chains to square millimeters (ch² to mm²) converter

You can enter a value in either the square chains (ch²) 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 square chains to square millimeters to square millimeters to square chains.

square chains (ch²)

 

square millimeters (mm²)

 
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1 ch² = 404685642 mm² 1 mm² = 0 ch²

Algebraic Steps / Dimensional Analysis Formula
ch² * 627264 in²
1 ch²		 * 6.4516 cm²
1 in²		 * 100 mm²
1 cm²		 = mm²

Direct Conversion Formula
ch² * 404685642 mm²
1 ch²		 = mm²

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

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