51 mm. 1 centimeter = 10 millimeters. 1 millimeter = 0.1 centimeter.
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1 centimeter is equal to 10 millimeters.
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there are ten millimeters in a centimeter, and 30 centimeters in a foot. Therefore, there are only 300mm in one ft 1500mm is the equivalent of 150cm or 1.5metres
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There are 10 centimetres in one decimetre. Therefore, 1.5 decimetres is equal to 1.5 x 10 = 15 centimetres.
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