Coulombs to Milliampere-hours
About these units
Coulombs
The coulomb is the SI unit of electric charge, the charge carried by a current of one ampere in one second. It equals about 6.24 × 10¹⁸ electrons.
Milliampere-hours
The milliampere-hour measures battery capacity: how much charge a battery delivers over time. A phone battery is often 3,000–5,000 mAh.
Conversion formula
To convert Coulomb to Milliampere-hour, multiply the value by 0.2777777778.
Quick reference
| Coulombs | Milliampere-hours |
|---|---|
| 1 | 0.2777777778 |
| 2 | 0.5555555556 |
| 5 | 1.388888889 |
| 10 | 2.777777778 |
| 100 | 27.77777778 |
Frequently asked questions
- How many Milliampere-hours are in one Coulomb?
- 1 Coulomb = 0.2777777778 Milliampere-hours.
- How many Coulombs are in one Milliampere-hour?
- 1 Milliampere-hour = 3.6 Coulombs.
Related tools
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