Convert coulombs to milliampere-hours
1 C = 0.277777777778 mAh — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
0.277 777 777 778mAh
As a fraction: 5/18
1 C = 0.277777777778 mAh
How to convert coulombs to milliampere-hours
Multiply the number of coulombs by 0.277777777778 to get milliampere-hours.
Milliampere-hour: The number on every phone battery.
Coulomb to Milliampere-hour conversion table
| Coulombs (C) | Milliampere-hours (mAh) |
|---|---|
| 1 C | 0.277 777 78 |
| 2 C | 0.555 555 56 |
| 3 C | 0.833 333 33 |
| 5 C | 1.388 888 9 |
| 10 C | 2.777 777 8 |
| 20 C | 5.555 555 6 |
| 25 C | 6.944 444 4 |
| 50 C | 13.888 889 |
| 100 C | 27.777 778 |
| 250 C | 69.444 444 |
| 500 C | 138.888 89 |
| 1000 C | 277.777 78 |
Milliampere-hour to Coulomb conversion table
| Milliampere-hours (mAh) | Coulombs (C) |
|---|---|
| 1 mAh | 3.6 |
| 2 mAh | 7.2 |
| 3 mAh | 10.8 |
| 5 mAh | 18 |
| 10 mAh | 36 |
| 20 mAh | 72 |
| 25 mAh | 90 |
| 50 mAh | 180 |
| 100 mAh | 360 |
| 250 mAh | 900 |
| 500 mAh | 1800 |
| 1000 mAh | 3600 |
Frequently asked
How many milliampere-hours are in a coulomb?
One coulomb equals 0.2777777778 milliampere-hours (C → mAh). That figure is exact, not rounded.
How do you convert coulombs to milliampere-hours?
Multiply the number of coulombs by 0.277777777778 to get milliampere-hours.
What is 1 mAh in coulombs?
One milliampere-hour is 3.6 coulombs.
What is 10 C in mAh?
10 C = 2.777 777 8 mAh.
What exactly is a milliampere-hour?
The number on every phone battery.