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
The diameter of a circle is twice the length of its radius. If the radius is 12 millimeters, the diameter would be 2 times 12 millimeters, which equals 24 millimeters.
The radius of a circle is half of its diameter. Since the diameter is 14 millimeters, the radius is 14 mm ÷ 2 = 7 millimeters. Therefore, the radius of the circle is 7 millimeters.
1 foot is 304.8 millimeters.
Radius = 1/2 of the diameter = 328/2 = 164 millimeters
Raindrops can vary in size, but on average they are about 1 to 2 millimeters in diameter. Some larger raindrops may be 4 to 6 millimeters in diameter, while smaller raindrops can be less than 1 millimeter in diameter.
21.21 millimeters wide
(1,000)/(diameter of one M in millimeters)
The average diameter of a toothpick is about 2 millimeters.
30.4mm
A .45 caliber bullet typically measures 11.43 millimeters in diameter.
There is nothing equal. If you mean 'What is the diameter of a US Cent', it is 1.9 cm.
10 millimeters = 1 centimeter
1 foot is 304.8 millimeters.
There is 250 millimeters in 1 litter.
20 millimeters