Electric Charge Converter – 5 units of electric charge
Convert electric charge between mAh, Ah, C and more – exact and instant.
Units of electric charge
| Coulomb (C)SI (metric) unit | |
|---|---|
| Millicoulomb (mC)SI (metric) unit | 1 mC = 0.001 C |
| Milliampere-hour (mAh)metric unit accepted with the SI | 1 mAh = 3.6 C |
| Ampere-hour (Ah)metric unit accepted with the SI | 1 Ah = 3,600 C |
| Elementary charge (e)unit | 1 e = 1.602176634 × 10⁻¹⁹ C |
How to use: Electric Charge Converter
- 1 Pick the unit you have and the unit you need.
- 2 Type the value – the result in the other unit appears at once (type in the result field to convert back).
- 3 Use a common value, set the decimals or swap the units with one click.
- 4 Open “In every unit” to see the value in all 5 units of electric charge.
About this tool
Electric charge is measured in coulombs; battery capacity is usually given in milliampere-hours (mAh) or ampere-hours (Ah).
Here every value is converted through the coulomb (C). Choose any two of the 5 units below the converter, or start from one of the popular conversions.
Calculated in your browser – nothing you type is sent anywhere.
Frequently asked questions
Which units of electric charge can I convert?
Coulomb (C), Millicoulomb (mC), Milliampere-hour (mAh), Ampere-hour (Ah) and Elementary charge (e).
Which electric charge conversions are used most?
1 mAh = 0.001 Ah; 1 Ah = 3,600 C.
How exact is the converter?
Each unit is defined by its official value in C, so conversions are exact up to the 10 significant digits shown; you can round to 0–6 decimals.