0.42 centimeters.
30 millimeters
90
150 centimeters is 1,500 millimeters.
80mm = 8cm
5.5cm = 55mm
There are 1000 millimetres in 100 centimetres.
25 centimetres = 250 millimetres.
3 millimetres = 0.3 centimetres.
250
10 centimetres 100 millimetres.
189 millimeters is 18.9 centimeters.
It would be 140 millimeters long.