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
≈ Rounded to 12 s.f. 1 C ≈ 0.277 777 777 778 mAh
As a fraction: 5/18
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1 C = 0.277777777778 mAh
Show this value in all 13 electric charge units
  • Kilocoulombs kC 0.001
  • Coulombs C 1
  • Millicoulombs mC 1000
  • Microcoulombs µC 1 000 000
  • Nanocoulombs nC 1 000 000 000
  • Picocoulombs pC 1 000 000 000 000
  • Ampere-hours Ah 0.000 277 777 777 778
  • Milliampere-hours mAh 0.277 777 777 778
  • Ampere-minutes A·min 0.016 666 666 666 7
  • Faradays F 0.000 010 364 269 656 3
  • Elementary charges e 6.24150907446e+18
  • Abcoulombs abC 0.1
  • Statcoulombs statC 29 979 245.8

Every row is Coulomb (C) converted through the coulomb, in exact rational arithmetic.

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.

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