millimeter or mm
Millimeters or centimeters.
That would be measured in millimetres.
Coins are measured in millimetres.
A plane of glass would be measured in millimetres.
The most appropriate unit of measure for a button's thickness would be in millimeters. Most buttons wouldn't be thick enough to measure in centimeters.
There is only one metric system. The relevant units, within that system would be millimetres.
A blade of grass would be in the order of a millimeter thick.
The millimeter or centimeter would produce the most convenient number.
Inches, by 16'ths or 32'nds of an inch
Typically you might use "mm" for coins. For currency, I would suggest micron units.The millimeter.
The commonest convenient unit is the millimetre (mm), and they are around 1.2 mm thick.
What measure of units would you use to measure the thickness of a phone book
You'd be wise to use millimeters. There are 2.54 cm in an inch, so the answer would be less than a cm. The next smaller unit is the millimeter, which is the best unit to use to measure the thickness (diameter) of a crayon.