A millimetre is a unit of measurement of length. A diameter is not. The question, therefore, makes no sense.
Radius = 1/2 of the diameter = 328/2 = 164 millimeters
30.4mm
1 foot is 304.8 millimeters.
There is 250 millimeters in 1 litter.
914.4 millimeters
Radius = 1/2 of the diameter = 328/2 = 164 millimeters
21.21 millimeters wide
(1,000)/(diameter of one M in millimeters)
30.4mm
There is nothing equal. If you mean 'What is the diameter of a US Cent', it is 1.9 cm.
20 millimeters
10 millimeters = 1 centimeter
There is 250 millimeters in 1 litter.
1 foot is 304.8 millimeters.
1 million millimeters
914.4 millimeters
1 dekameter = 10 000 millimeters