Generally, units must be abbreviated according to the International System of Units (SI units). Below you find examples of abbreviations of the most commonly used SI units:

· Base quantity Name Abbreviation

· Length Meter m

· Mass Kilogram kg

· Time Second s

· Time Minute min

· Electric current Ampere A

· Area square meter m2

· Volume cubic meter m3

· Frequency Hertz Hz

It is important to maintain the capital letters and lower case letters as they appear in the abbreviation to avoid confusion with the other abbreviations.