Convert Milliampere-hours to Kilocoulombs
Convert Milliampere-hours (mAh) to Kilocoulombs (kC) instantly and accurately.
Conversion Formula
kC = mAh × 0.0036
About Milliampere-hours
The milliampere-hour (mAh) equals exactly 3.6 C and is the universal capacity unit for portable-electronics batteries. Smartphone batteries range from 3 000-5 000 mAh; AA alkaline cells deliver ≈2 500 mAh; small lithium coin cells for RTC modules are rated 35-225 mAh. 1 mAh = 3.6 C = 10⁻³ Ah.
About Kilocoulombs
The kilocoulomb (kC) equals 10³ C ≈ 0.278 Ah, used in industrial electrochemistry, large capacitor bank energy calculations, and fault current analysis. Electroplating a 100 cm² nickel layer 25 µm thick requires roughly 2-4 kC; power-factor-correction capacitor banks in substations may store several kilocoulombs. 1 kC = 10⁻³ MC = 10³ C.
Quick Reference Table
| Milliampere-hours (mAh) | Kilocoulombs (kC) |
|---|---|
| 1 mAh | 0.0036 kC |
| 2 mAh | 0.0072 kC |
| 5 mAh | 0.018 kC |
| 10 mAh | 0.036 kC |
| 25 mAh | 0.09 kC |
| 50 mAh | 0.18 kC |
| 100 mAh | 0.36 kC |