1 centimetre = 10 millimetres so 31 centimetres = 31*10 = 310 millimetres. Simple!
There are 31 millimeters in 3.1 centimeters. 3.1 centimeters x 10 millimeters/1 centimeter = 31 millimeters 1 centimeter = 10 millimeters
310cm
22 millimeters=2.2 centimeters
70 millimeters=7 centimeters
6.98 centimeters=69.8 millimeters
There are 49 centimeters in 490 millimeters.
15 centimeters are in 150 millimeters.
2.1 centimeters=21 millimeters
1 centimeters = 10 millimeters; so 130 millimeters is 13 centimeters
190 millimeters is equal to 19 centimeters. To convert millimeters to centimeters, you divide by 10.
389.4 millimeters=38.94 centimeters
141 centimeters are 1410 millimeters.