Electric Charge conversion

Convert Coulomb to Elementary charge

1 coulomb (C) equals 6.241509074461e18 elementary charge (e). Enter any value below to convert from C to e.

Enter a value and choose units. Results update instantly.

1 C = 6.2415090745e18 e

All Charge units

From 1 C
UnitValue
Nanocoulomb nC 999,999,999.9999998808
Microcoulomb μC 1,000,000
Millicoulomb mC 1,000
Coulomb C 1
Milliampere-hour mAh 0.2777777778
Ampere-hour Ah 0.0002777778
Elementary charge e 6.2415090745e18
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Formula

C to e conversion formula

Use this relationship for a direct conversion:

e = C x 6.241509074461e18

Worked example

2 C = 1.2483018149e19 e.

Ampere-hour relationships and the elementary charge value are exact.

Quick reference

Coulomb to Elementary charge table

Coulomb (C)Elementary charge (e)
0.016.2415090745e16
0.16.2415090745e17
16.2415090745e18
21.2483018149e19
53.1207545372e19
106.2415090745e19
251.5603772686e20
503.1207545372e20
1006.2415090745e20
1,0006.2415090745e21

From unit

About the coulomb

One ampere-second of electric charge.

Symbol: C

To unit

About the elementary charge

The exact magnitude of the electron or proton charge.

Symbol: e

Keep converting

Related conversions

Elementary charge to CoulombReverse this conversion Coulomb to NanocoulombC to nCCoulomb to MicrocoulombC to μCCoulomb to MillicoulombC to mCCoulomb to Milliampere-hourC to mAhCoulomb to Ampere-hourC to Ah

Source

Conversion standard

Definitions are checked against BIPM SI Brochure: coulomb and elementary charge. Calculations use full internal precision before display rounding.

View the complete electric charge converter

Questions

C to e FAQ

How do you convert coulomb to elementary charge?

Use the formula e = C x 6.241509074461e18. 1 coulomb (C) equals 6.241509074461e18 elementary charge (e).

Is the C to e conversion exact?

Both unit definitions use exact factors. Only the displayed decimal may be rounded.