Elementary charges to Milliampere hours
Convert elementary charges to milliampere hours (e to mA·h). 1 e = 4.45049065E-20 mA·h. Use the calculator, formula and conversion table.
How to convert elementary charges to milliampere hours
Multiply the amount in elementary charges by 4.45049065E-20 to get milliampere hours. The displayed factor and results are rounded to 12 significant digits.
mA·h = e × 4.45049065E-20Worked example
1 e = 4.45049065E-20 mA·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.
Elementary charges to Milliampere hours table
| Elementary charges (e) | Milliampere hours (mA·h) |
|---|---|
| 0 | 0 |
| 1 | 4.45049065E-20 |
| 5 | 2.225245325E-19 |
| 10 | 4.45049065E-19 |
| 25 | 1.1126226625E-18 |
| 100 | 4.45049065E-18 |
| 1,000 | 4.45049065E-17 |
About this conversion
What is the formula for elementary charges to milliampere hours?
mA·h = e × 4.45049065E-20. Multiply the amount in elementary charges by 4.45049065E-20 to get milliampere hours. The displayed factor and results are rounded to 12 significant digits.
How do I convert back to elementary charges?
Use the milliampere hours to elementary charges 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.