Decimeter – Definition with Examples A decimeter is a unit of length in the metric system. The term “Deci” means one-tenth, and therefore decimetre means one-tenth of a meter. Since a meter is made up of 100 cm, one-tenth of 100 cm is 10 cm. Thus one decimeter measures 10 cm. The symbol used to write decimeter is dm.

What is an example of a decimeter?

The definition of a decimeter is one tenth of a meter in length. An example of a decimeter is the length of about 4 inches. A metric unit of length equal to one-tenth (10^–1 ) of a meter.

What is a decimeter in measurement?

The decimetre (SI symbol dm) or decimeter (American spelling) is a unit of length in the metric system, equal to one tenth of a metre (the International System of Units base unit of length), ten centimetres or 3.937 inches.