490mm (there are 10mm per cm).
There are 49 centimeters in 490 millimeters. To convert millimeters to centimeters, you divide the value in millimeters by 10.
49 millimeters is 4.9 centimeters.
22 millimeters=2.2 centimeters
15 centimeters are in 150 millimeters.
70 millimeters=7 centimeters
6.98 centimeters=69.8 millimeters
2.1 centimeters=21 millimeters
1 centimeters = 10 millimeters; so 130 millimeters is 13 centimeters
120 millimeters is the same as 12 centimeters.
7,000 centimeters = 70,000 millimeters.
1,656 millimeters=165.6 centimeters
3,000 centimeters is 30,000 millimeters.