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.
There are 1000 millimetres in 100 centimetres.
25 centimetres = 250 millimetres.