Unit Abbreviations

Use the International System of Units (SI) for naming conventions and abbreviations.

International System of Units | Measurement, Conversion & History

International System of Units (SI), international decimal system of weights and measures derived from and extending the metric system of units. SI has seven basic units, from which others are derived: the second, the meter, the kilogram, the ampere, the kelvin, the mole, and the candela.

Some of the more common ones are listed below:

Unit	Abbreviation
metre	m
second	s
kilogram	kg
cubic metre	m3
litre	l