30 millimeters
150 centimeters is 1,500 millimeters.
0.42 centimeters.
5.5cm = 55mm
80mm = 8cm
25 centimetres = 250 millimetres.
3 millimetres = 0.3 centimetres.
There are 1000 millimetres in 100 centimetres.
250
There are: 900 cm
10 centimetres 100 millimetres.
189 millimeters is 18.9 centimeters.