One centimeter has 10 millimeters so depending on how many centimeters you have you mulpiply it by ten to get millimeters. Example: 6 centimeters= 60 millimeters because 6x10=60.
One millimetre is equal to 0.1 centimetres.
1 decemeter =10 centemeters
17.5
100
16
100
its about 57cm
5
20
3400cm
50
4