EngiRef / Constants

Elementary Charge

Exact defined value in SI. Charge of a proton.

fundamentale

Source Details

Id

e

Name

Elementary Charge

Symbol

e

Value

1.602176634e-19

Unit

C

Category

fundamental

Description

Exact defined value in SI. Charge of a proton.

Constants

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Avogadro's Constant

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Fine Structure Constant

Dimensionless. Characterizes electromagnetic interaction strength.

fundamentalα