Measurements of the thermomagnetic torque for a large number of gases indicate that the field and pressure dependences of the torque can be represented by a single curve for most gases. The pressure ($P$) dependence of ${H}_{0}$, the field for maximum torque, is given by ${H}_{0}=b(P+a)$, where $b$ and $a$ are constants. The molecular rotational $g$ values for the gases can be estimated from the relation ${g}_{J}=1.27\ifmmode\times\else\texttimes\fi{}{10}^{16}\frac{\ensuremath{\sigma}\overline{v}}{(\mathrm{QbT})}$, where $\ensuremath{\sigma}$ is the molecular cross section, $\overline{v}$ the average molecular velocity, $T$ the absolute temperature, and $Q$ a constant (taken to be $4\ensuremath{\pi}$). The sign of ${g}_{J}$ is given by the torque direction. Values of ${g}_{J}$ calculated from the torque are in reasonable agreement with other determinations for all gases except ${\mathrm{Cl}}_{2}$. Previously undetermined ${g}_{J}$ values are estimated for a number of gases. The existence of multiple torque maxima in ${\mathrm{O}}_{2}$, NO, N${\mathrm{O}}_{2}$, and HD is discussed.