6 decimeters = 60 centimeters = 600 millimeters. This question examines the knowledge points of length units.

The unit of length refers to the basic unit for regulating the length. Its international unit is "meter" (symbol "m"), and commonly used units are millimeter (mm), centimeter (cm), decimeter (dm), kilometer (km), meter (m), micron (micron) and nanometer (nm). The basic conversion relationship is:1km =1000m =10000m =100000mm =100000mm.

A few European and American countries, mainly Britain and the United States, use English units, so they use different units of length, mainly miles, yards, feet and inches.

Miles: 1 mile = 1760 yards = 5280 feet = 1.609344 kilometers;

Code, yd: 1 code = 3 feet = 0.9 144 meters;

F, Fath, FA: 1 fathom = 2 yards =1.8288m;

Furong: 1 wave = 220 yards = 201.17m;

Foot (ft, plural): 1 foot = 12 inch = 30.48 cm;

Inch (in): 1 inch = 2.54 cm.

Baidu encyclopedia-length unit

Reference to the above content: Baidu Encyclopedia -mm