2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/118602We discuss some of our current knowledge of the mass distribution of DA and non-DA stars using various methods for measuring white dwarf masses including spectroscopic, trigonometric parallax, and gravitational redshift measurements, with a particular emphasis on the problems encountered at the low end of the cooling sequence where energy transport by convection becomes important.6 pages, 4 figures, to appear in the ASP Conference Series for the 15th European White Dwarf WorkshopAstrophysicstext