🔋 Electric Charge Converter
Convert electric charge and battery-capacity units — coulomb, millicoulomb, microcoulomb, ampere-hour and milliampere-hour. 1 Ah = 3600 C; battery capacity is measured in mAh.
1 C = 1000 mC
1 coulombs = 1000 millicoulombs
1 × 1000 = 1000
1 C equals 1000 mC, so multiplying by 1000 converts the value. The result describes the exact same quantity — only the measuring stick changes.
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All electric charge units
| Unit | Symbol | Definition |
|---|---|---|
| Coulomb | C | The SI unit of electric charge — the charge carried by a one-ampere current in one second. It equals about 6.24×10¹⁸ elementary charges. |
| Millicoulomb | mC | One-thousandth of a coulomb (10⁻³ C). Used for small charges in electronics and capacitor work. |
| Microcoulomb | µC | One-millionth of a coulomb (10⁻⁶ C). A typical static-electricity or small-capacitor charge is in the microcoulomb range. |
| Kilocoulomb | kC | One thousand coulombs (10³ C). A large charge — a fully charged car battery moves tens of kilocoulombs over its life. |
| Ampere-hour | Ah | The charge from one ampere flowing for one hour — exactly 3600 coulombs. Car and deep-cycle battery capacity is rated in ampere-hours. |
| Milliampere-hour | mAh | One-thousandth of an ampere-hour (3.6 C). The standard rating for phone, laptop and small-battery capacity — a phone battery is around 3,000–5,000 mAh. |