Electrical
Electric Charge Converter
Convert between coulombs and amp-hours — the units behind battery capacity. 1 Ah = 3600 C, so a 3000 mAh phone battery holds 10,800 coulombs of charge.
Frequently asked questions
How do I convert mAh to coulombs?
Multiply milliamp-hours by 3.6. For example, 5000 mAh × 3.6 = 18,000 C.