UnitConElectric Charge
Electric charge is a fundamental quantity in physics and electronics. The SI unit is the coulomb, but battery capacities are often expressed in amp-hours or milliamp-hours, which represent charge over time at a given current. This converter helps compare those units accurately. It is useful for electronics hobbyists, students, and device spec comparisons.
Common conversions
| From | To |
|---|---|
| 1 Ampere-Hour | 3,600 Coulomb |
| 3000 Milliampere-Hour | 3 Ampere-Hour |
| 1 Coulomb | 0.2777778 Milliampere-Hour |
| 5000 Milliampere-Hour | 18,000 Coulomb |
| 1 Milliampere-Hour | 3.6 Coulomb |
| 1 Microcoulomb | 1,000 Nanocoulomb |
Frequently asked questions
Electric charge is a basic property of matter that causes electrical forces and interactions. In circuits, it is the quantity that current moves over time.
One amp-hour equals 3600 coulombs, so one milliamp-hour equals 3.6 coulombs. Multiply mAh by 3.6 to get coulombs.
It shows how much electric charge a battery can deliver under specified conditions. It does not by itself tell you total energy unless voltage is also considered.