Area unit: dm2 square decimeter cm2 square centimeter 1dm2= 100cm2.

Unit of volume: dm3 cubic decimeter cm3 cubic centimeter 1dm3= 1000cm3.

Volume & volume: l liter ml ml1l =1000 ml =1DM 3 =1000 cm3.

The unit of length is generally "full ten into one", except kilometers and meters;

The unit of area is generally "full hundred into one";

Unit of volume is generally "one thousand to one", and unit of volume is the same;

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