Elementary Charges to Coulombs Converter
Convert elementary charges (e) to coulombs (C)
Result
1.6021766 × 10⁻¹⁹ C
Coulombs
1 e = 1.6021766 × 10⁻¹⁹ C
1 e in other units
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How to convert elementary charges to coulombs
There are 6.241509 × 10¹⁸ elementary charges in one coulomb, so divide the number of elementary charges by 6.241509 × 10¹⁸.
C = e ÷ 6.241509 × 10¹⁸
1 e = 1.602177 × 10⁻¹⁹ C · 1 C = 6.241509 × 10¹⁸ e
Worked example
To convert 5 elementary charges to coulombs: 5 e ÷ 6.241509 × 10¹⁸ = 8.010883 × 10⁻¹⁹ C.
About elementary charges (e)
The elementary charge is the charge of one proton, exactly 1.602176634 × 10⁻¹⁹ C.
About coulombs (C)
The coulomb is the SI unit of charge: one ampere flowing for one second.
More conversions
Elementary Charges to other units
Frequently asked questions
How many coulombs are in one elementary charge?
One elementary charge equals 1.602177 × 10⁻¹⁹ coulombs.
How many elementary charges are in one coulomb?
One coulomb equals 6.241509 × 10¹⁸ elementary charges.
How do I convert elementary charges to coulombs?
Use the formula C = e ÷ 6.241509 × 10¹⁸. For example, 5 e ÷ 6.241509 × 10¹⁸ = 8.010883 × 10⁻¹⁹ C.