Convert mah to coulombs
1 milliampere-hour equals 3.6 coulombs. Enter a value below to convert instantly.
Multiply the number of milliampere-hours by 3.6 to get coulombs. How this is calculated
Need the other direction? Convert coulomb to milliampere-hour →
Formula
Multiply the number of milliampere-hours by 3.6 to get coulombs.
Step by step
- Start with 1 mA·h.
- Multiply by the conversion factor 3.6.
- 1 × 3.6 = 3.6 C.
Milliampere-hours to Coulombs conversion table
| Milliampere-hours (mA·h) | Coulombs (C) |
|---|---|
| 1 | 3.6 |
| 2 | 7.2 |
| 5 | 18 |
| 10 | 36 |
| 20 | 72 |
| 50 | 180 |
| 100 | 360 |
| 500 | 1,800 |
Convert Milliampere-hour to other electric charge units
1 mA·h expressed in every other electric charge unit on this site.
- Coulomb C 3.6
- Megacoulomb MC 0.0000036
- Kilocoulomb kC 0.0036
- Millicoulomb mC 3,600
- Microcoulomb µC 3,600,000
- Nanocoulomb nC 3,600,000,000
- Picocoulomb pC 3,600,000,000,000
- Ampere-hour A·h 0.001
- Milliampere-hour mA·h 1
- Ampere-minute A·min 0.06
- Ampere-second A·s 3.6
- Abcoulomb abC 0.36
- Statcoulomb statC 10,792,528,000
- Faraday F 0.000037311371
- Elementary Charge e 2.2469433e+19
About the milliampere-hour
The milliampere-hour (mA·h) is a Other unit of electric charge. The capacity figure printed on phone and laptop batteries.
About the coulomb
The coulomb (C) is a SI unit of electric charge.
Where this conversion is used
Converting milliampere-hours to coulombs comes up when battery capacity, capacitor sizing, and electrochemistry. A milliampere-hour is a charge, not an energy — comparing batteries at different voltages needs watt-hours instead.
Related conversions
Frequently asked questions
How many coulombs are in a milliampere-hour?
One milliampere-hour equals 3.6 coulombs.
How do you convert milliampere-hours to coulombs?
Multiply the number of milliampere-hours by 3.6 to get coulombs.
What is 1 coulomb in milliampere-hours?
One coulomb equals 0.27777778 milliampere-hours.
When would I convert milliampere-hours to coulombs?
This conversion is common when battery capacity, capacitor sizing, and electrochemistry.
Conversion factors are based on internationally agreed unit definitions. See our methodology and sources for details on how these values are verified.