EngiRef / Fundamental Constant

Elementary Charge

Elementary Charge (e) = 1.6022 × 10^-19 C. Exact defined value in SI. Charge of a proton. A fundamental constant in the free EngiRef reference, with 27 more…

fundamentale

Specification

Name
Elementary Charge
Symbol
e
Value
1.6022 × 10^-19
Unit
C
Category
fundamental
Description
Exact defined value in SI. Charge of a proton.

Constants

Related constants

Scientific constants

Speed of Light in Vacuum

Exact defined value in SI. Maximum speed in universe.

fundamentalc

Planck Constant

Exact defined value in SI. Relates photon energy to frequency.

fundamentalh

Reduced Planck Constant

h/(2π). Common in quantum mechanics.

fundamentalℏ

Avogadro's Constant

Exact defined value in SI. Particles per mole.

fundamentalNᴀ

Gravitational Constant

Universal gravitation constant. F = GMm/r².

fundamentalG

Fine Structure Constant

Dimensionless. Characterizes electromagnetic interaction strength.

fundamentalα