\begin{definition}[Definition:Mass/Units]
The units of measurement of '''mass''' are as follows:
* The SI unit of '''mass''' is the kilogram $\mathrm {kg}$.
* The CGS unit of '''mass''' is the gram $\mathrm g$.
* The FPS unit of '''mass''' is the pound $\mathrm {lb}$.
Thus:
:$1 \ \mathrm {kg} = 10^3 \ \mathrm g$
:$1 \ \mathrm {lb} = 0.453 \, 592 \, 37 \ \mathrm{kg}$
Category:Definitions/Units of Measurement
Category:Definitions/Mass
\end{definition}