Elektroni mass on üks füüsika põhikonstante ja selle väärtus on umbes 9,109×10−31 kilogrammi ehk umbes 5,486×10−4 daltonit, mille energiaekvivalent on umbes 8,187×10−14 džauli ehk umbes 0,511 MeV.
The electron mass is one of the fundamental constants of physics, and it has a value of about 9,109×10−31 kilograms or about 5,486×10−4 daltons, which has an energy-equivalent of about 8,187×10−14 joules or about 0,511 MeV.
