Coulombs to Milliampere-hours Converter
Convert coulombs (C) to milliampere-hours (mAh)
Result
0.2777777778 mAh
Milliampere-hours
1 C = 0.2777777778 mAh
1 C in other units
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How to convert coulombs to milliampere-hours
One coulomb equals 0.2777778 milliampere-hours, so multiply the number of coulombs by 0.2777778.
mAh = C × 0.2777778
1 C = 0.2777778 mAh · 1 mAh = 3.6 C
Worked example
To convert 5 coulombs to milliampere-hours: 5 C × 0.2777778 = 1.388889 mAh.
About coulombs (C)
The coulomb is the SI unit of charge: one ampere flowing for one second.
About milliampere-hours (mAh)
A milliampere-hour is 3.6 C. Phone and power-bank batteries are rated in mAh.
More conversions
Coulombs to other units
Frequently asked questions
How many milliampere-hours are in one coulomb?
One coulomb equals 0.2777778 milliampere-hours.
How many coulombs are in one milliampere-hour?
One milliampere-hour equals 3.6 coulombs.
How do I convert coulombs to milliampere-hours?
Use the formula mAh = C × 0.2777778. For example, 5 C × 0.2777778 = 1.388889 mAh.