Formula
e to Ah conversion formula
Use this relationship for a direct conversion:
Worked example
2 e = 8.9009813e-23 Ah.
Ampere-hour relationships and the elementary charge value are exact.
Electric Charge conversion
1 elementary charge (e) equals 4.45049065e-23 ampere-hour (Ah). Enter any value below to convert from e to Ah.
Enter a value and choose units. Results update instantly.
1 e = 4.45049065e-23 Ah
| 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 |
Formula
Use this relationship for a direct conversion:
2 e = 8.9009813e-23 Ah.
Ampere-hour relationships and the elementary charge value are exact.
Quick reference
| Elementary charge (e) | Ampere-hour (Ah) |
|---|---|
| 0.01 | 4.45049065e-25 |
| 0.1 | 4.45049065e-24 |
| 1 | 4.45049065e-23 |
| 2 | 8.9009813e-23 |
| 5 | 2.225245325e-22 |
| 10 | 4.45049065e-22 |
| 25 | 1.1126226625e-21 |
| 50 | 2.225245325e-21 |
| 100 | 4.45049065e-21 |
| 1,000 | 4.45049065e-20 |
From unit
The exact magnitude of the electron or proton charge.
Symbol: e
To unit
Charge from one ampere sustained for one hour.
Symbol: Ah
Keep converting
Source
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
Use the formula Ah = e x 4.45049065e-23. 1 elementary charge (e) equals 4.45049065e-23 ampere-hour (Ah).
Both unit definitions use exact factors. Only the displayed decimal may be rounded.