cenemeters
Millimeters.
Metres
i think it is mm
9cmvmd
Meters. It's the same unit you would use for length, or distance.
Millimeters.
That would be measured in millimetres.
A micrometre.
You would use millimeters (mm) to measure the thickness of a house key, as it is a small unit appropriate for measuring such dimensions.
There is only one metric system. The relevant units, within that system would be millimetres.
The commonest convenient unit is the millimetre (mm), and they are around 1.2 mm thick.
You would typically use millimeters (mm) to measure the thickness of a coin. This unit is commonly used for measuring small distances or thicknesses.
The metric unit typically used to measure the thickness of guitar strings is millimeters (mm). This measurement helps determine the gauge or diameter of the string, which in turn can affect the tone and playability of the instrument.
What measure of units would you use to measure the thickness of a phone book
All distances are measured in metres. Prefifixes are used as abbreviations for the fraction of metres, because paint is thin, it would be measured in millionths of a metre. The prefix for millionths is micro-, so paint thinckness would be quoted as micrometres (μm)
one page of a phonebook is measured in mm. unit thickness of a phone book is cm
Typically you might use "mm" for coins. For currency, I would suggest micron units.The millimeter.