Definition:Mass/Units

Definition

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:

$1 \ \mathrm {kg} = 10^3 \ \mathrm g$

$1 \ \mathrm {lb} = 0.453 \, 592 \, 37 \ \mathrm{kg}$