Convert Milliampere-hours to Faradays
Convert Milliampere-hours (mAh) to Faradays (F) instantly and accurately.
Conversion Formula
F = mAh × 3.731137076e-5
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 Faradays
The faraday (F) equals the Avogadro constant times the elementary charge - N_A × e ≈ 96 485.33 C per mole - and is the fundamental unit of electrochemical charge (Faraday's law: 1 F deposits one gram-equivalent of any substance). Depositing 1 g of silver (Ag⁺, M = 107.87 g/mol) requires 96 485 / 107.87 ≈ 894 C ≈ 0.00927 F; plating copper (Cu²⁺) requires 2 F per mole. 1 F ≈ 26.801 Ah ≈ 96.485 kC.
Quick Reference Table
| Milliampere-hours (mAh) | Faradays (F) |
|---|---|
| 1 mAh | 3.731 × 10-5 F |
| 2 mAh | 7.462 × 10-5 F |
| 5 mAh | 0.000186557 F |
| 10 mAh | 0.000373114 F |
| 25 mAh | 0.000932784 F |
| 50 mAh | 0.00186557 F |
| 100 mAh | 0.00373114 F |