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Square millimeters to square decimeters (mm² to dm²) Metric conversion calculator

Welcome to our square millimeters to square decimeters (mm² to dm²) conversion calculator. You can enter a value in either the square millimeters or square decimeters input fields. For an understanding of the conversion process, we include step by step and direct conversion formulas. If you'd like to perform a different conversion, just select between the listed Area units in the 'Select between other Area units' tab below or use the search bar above. Tip: Use the swap button to switch from converting square millimeters to square decimeters to square decimeters to square millimeters.

square millimeters (mm²)


square decimeters (dm²)

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1 mm² = 0.0001 dm² 1 dm² = 10000 mm²

Algebraic Steps / Dimensional Analysis Formula
mm² * 1 dm²
10000 mm²
= dm²

acres 0
hectares 0
square feet 0
square kilometers 0
square meters 0
square miles 0
square yards 0
If you would like to switch between Area units, select from the tables below

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