There are 31 millimeters in 3.1 centimeters. 3.1 centimeters x 10 millimeters/1 centimeter = 31 millimeters 1 centimeter = 10 millimeters
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Eight cm is equal to how many mm
12 cm, one cm is equal to 10 mm.
1 cm = 10 mm so 1.43 cm = 14.3 mm
1 cm is equal to 10 mm so 70 cm would be 700 mm.