Millicoulombs to Ampere hours
Convert millicoulombs to ampere hours (mC to A·h). 1 mC = 2.77777777778E-7 A·h. Use the calculator, formula and conversion table.
How to convert millicoulombs to ampere hours
Multiply the amount in millicoulombs by 2.77777777778E-7 to get ampere hours. The displayed factor and results are rounded to 12 significant digits.
A·h = mC × 2.77777777778E-7Worked example
1 mC = 2.77777777778E-7 A·h. Change the amount in the calculator above to use your own value.
Units and assumptions
Uses coulombs. One ampere hour is 3,600 C and one milliampere hour is 3.6 C. The positive elementary-charge magnitude e is exactly 1.602176634 × 10⁻¹⁹ C. Signed charge is retained; mAh alone does not specify battery energy. Values are rounded to 12 significant figures for display.
Calculator results use floating-point arithmetic and are rounded for display. The reference table below uses up to 12 significant digits.
Millicoulombs to Ampere hours table
| Millicoulombs (mC) | Ampere hours (A·h) |
|---|---|
| 0 | 0 |
| 1 | 2.77777777778E-7 |
| 5 | 0.00000138888888889 |
| 10 | 0.00000277777777778 |
| 25 | 0.00000694444444444 |
| 100 | 0.0000277777777778 |
| 1,000 | 0.000277777777778 |
About this conversion
What is the formula for millicoulombs to ampere hours?
A·h = mC × 2.77777777778E-7. Multiply the amount in millicoulombs by 2.77777777778E-7 to get ampere hours. The displayed factor and results are rounded to 12 significant digits.
How do I convert back to millicoulombs?
Use the ampere hours to millicoulombs calculator to reverse this conversion. You can also use Swap units in the calculator above.
Can I use a different pair of units?
Choose another unit in the calculator, or open the electric charge converter to browse all supported pairs.