The convert/degrees function converts an expression from radians to degrees by multiplying it by 180/Pi.

$\mathrm{convert}\left(\frac{\mathrm{\pi }}{2}\,\mathrm{degrees}\right)$

$90\mathrm{degrees}$

$\mathrm{convert}\left(3\mathrm{\pi }\,\mathrm{degrees}\right)$

$540\mathrm{degrees}$

$\mathrm{convert}\left(3\,\mathrm{degrees}\right)$

$\frac{540\mathrm{degrees}}{\mathrm{\pi }}$

$\mathrm{evalf}\left(\mathrm{convert}\left(3\,\mathrm{degrees}\right)\right)$

$171.8873385\mathrm{degrees}$