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 other abbreviations.