A decimetre is a measurement of length, measuring 10 centimetres or one-tenth of a metre A centimetre (US: centimeter) is a factor of the SI unit of length: there are one hundred centimeters in the base unit of measure, the metre. ... The metre, or meter, is a measure of length, approximately equal to 3. ...

millimetre << centimetre << decimetre << metre << kilometre A millimetre (American spelling: millimeter, symbol mm) is an SI unit of length that is equal to one thousandth of a metre. ... A centimetre (US: centimeter) is a factor of the SI unit of length: there are one hundred centimeters in the base unit of measure, the metre. ... The metre, or meter, is a measure of length, approximately equal to 3. ... A kilometre (American spelling: kilometer), symbol: km is a unit of length in the metric system equal to 1000 metres (from the Greek words χίλια (khilia) = thousand and μέτρο (metro) = count/measure). ...