## College Physics (4th Edition)

The SI units of $PV$ are joules.
Pressure is measured in units of $N~m^{-2}$ which can be expressed as $kg~m^{-1}~s^{-2}$ Volume is measured in units of $m^3$ We can find the units of $PV$: $(kg~m^{-1}~s^{-2})(m^3) = kg~m^2~s^{-2} = joules$ The SI units of $PV$ are joules.