# How do you convert 120^circ from degree to radians?

$\pi$ is half a circle, so ${120}^{\circ} ,$ a third of a circle, is $\frac{2}{3}$ the circle constant. Yes it's confusing.
${120}^{\circ} \setminus \times \frac{2 \pi}{{360}^{\circ}} = \frac{2 \pi}{3}$ radians