Formula
e to mAh conversion formula
Use this relationship for a direct conversion:
mAh = e x 4.45049065e-20
Worked example
2 e = 8.9009813e-20 mAh.
Ampere-hour relationships and the elementary charge value are exact.
Electric Charge conversion
Convert Elementary charge to Milliampere-hour
1 elementary charge (e) equals 4.45049065e-20 milliampere-hour (mAh). Enter any value below to convert from e to mAh.
Enter a value and choose units. Results update instantly.
1 e = 4.45049065e-20 mAh
All Charge units
From 1 e| Unit | Value |
|---|---|
| Nanocoulomb nC | 0.0000000002 |
| Microcoulomb μC | 1.602176634e-13 |
| Millicoulomb mC | 1.602176634e-16 |
| Coulomb C | 1.602176634e-19 |
| Milliampere-hour mAh | 4.45049065e-20 |
| Ampere-hour Ah | 4.45049065e-23 |
| Elementary charge e | 1 |
Recent conversions
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Quick reference
Elementary charge to Milliampere-hour table
| Elementary charge (e) | Milliampere-hour (mAh) |
|---|---|
| 0.01 | 4.45049065e-22 |
| 0.1 | 4.45049065e-21 |
| 1 | 4.45049065e-20 |
| 2 | 8.9009813e-20 |
| 5 | 2.225245325e-19 |
| 10 | 4.45049065e-19 |
| 25 | 1.1126226625e-18 |
| 50 | 2.225245325e-18 |
| 100 | 4.45049065e-18 |
| 1,000 | 4.45049065e-17 |
From unit
About the elementary charge
The exact magnitude of the electron or proton charge.
Symbol: e
To unit
About the milliampere-hour
Charge from one milliampere sustained for one hour.
Symbol: mAh
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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 converterQuestions
e to mAh FAQ
How do you convert elementary charge to milliampere-hour?
Use the formula mAh = e x 4.45049065e-20. 1 elementary charge (e) equals 4.45049065e-20 milliampere-hour (mAh).
Is the e to mAh conversion exact?
Both unit definitions use exact factors. Only the displayed decimal may be rounded.