You will have to divide by 10
So 15mm = 1.5cm
30 millimeters
10 mm = 1 cm Divide
250
150 centimeters is 1,500 millimeters.
90
189 millimeters is 18.9 centimeters.
0.42 centimeters.
80mm = 8cm
5.5cm = 55mm
13 centimetres is 130 millimetres. You multiply by 10 here. This is because there are 10 millimetres in every centimetre.
65 millimetres is greater.
There are 1000 millimetres in 100 centimetres.