what is decimeter
Look up decimeter in Wiktionary, the free dictionary. The decimetre (British English or decimeter (American English); SI symbol dm) is a unit of length in the metric system, equal to one tenth of a metre, the SI base unit of length. It is equal to ten centimetres and 10 decimetres equal a metre.One decimetre is equivalent to 3.93700787 inches.he decimetre (British English or decimeter (American English); SI symbol dm) is a unit of length in the metric system, equal to one tenth of a metre, the SI base unit of length.