4.5 cm
1 centimeter = 10 millimeters
1 millimeter = 0.1 centimeter
4.5 centimeters is 45 millimeters.
One centimeter is exactly 10 millimeters. Therefor, 45 centimeters is exactly 450 millimeters. Both are the same.
22 millimeters=2.2 centimeters
55 millimeters is equal to 5.5 centimeters.
None, in the metric system a centimeter is 1/10 of a millimeter. 4 millimeters are 0.4 centimeters.
70 millimeters=7 centimeters
6.98 centimeters=69.8 millimeters
45 millimeters expressed in centimeters is 4.5 cm. To calculate conversions like this, you take the millimeters and divide them by ten to find the amount of centimeters.
There are 49 centimeters in 490 millimeters.
1 centimetre = 10 millimetres so 45 centimetre = 45*10 = 450 millimetres. Simple!
15 centimeters are in 150 millimeters.
2.1 centimeters=21 millimeters