Main Page | See live article | Alphabetical index Decimetre A decimetre (abbreviation: dm, American spelling: decimeter) is a measurement of distance equal to ten centimetres. Cubic decimetres are a common measurement of volume, equal to 1 litre, which is often used in chemistry and other sciences, for example when specifying molarity. This article is from Wikipedia. All text is available under the terms of the GNU Free Documentation License.