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.
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.
70 millimeters=7 centimeters
6.98 centimeters=69.8 millimeters
1 centimetre = 10 millimetres so 45 centimetre = 45*10 = 450 millimetres. Simple!
There are 49 centimeters in 490 millimeters.
15 centimeters are in 150 millimeters.
2.1 centimeters=21 millimeters