Electron Mass Converter

Convert electron masses to other mass units. Fundamental constant in particle physics.

1 electron masses =

9.1094e-31 kg

All Conversions

9.1094e-31

Kilograms

0.510999

MeV/c²

0.000549

Atomic Mass Units

0.000545

Proton Masses

Formula

1 me = 9.10938 × 10^-31 kg

Quick Reference

1 electron mass

= 0.511 MeV/c²

Proton/Electron ratio

~ 1836

Muon mass

~ 207 me

Tau mass

~ 3477 me

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Editorial Note

MyCalcBuddy Editorial Team

This page is maintained as an educational calculator reference.

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Formula Source: NIST Guide to SI Units

by National Institute of Standards

🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.