1 C in every unit
Values update with the converter above. Select a row to open that conversion's detailed page.
- Millicoulomb1,000 mC
- Microcoulomb1,000,000 µC
- Nanocoulomb1,000,000,000 nC
Popular conversions
3 pairsMillicoulomb ↔ Microcoulomb
mC ↔ µC
Millicoulomb ↔ Coulomb
mC ↔ C
Millicoulomb ↔ Nanocoulomb
mC ↔ nC
Unit guides
4 unitsDetailed guide to Electric Charge
Electric charge is one of the basic quantities in electromagnetism. It describes the amount of charge carried by particles, stored in capacitors or transferred in circuits.
The coulomb is the SI unit of electric charge, while smaller prefixed forms are common in instrumentation, capacitor calculations and electrostatic examples.
- Physical quantity
- Electric charge
- SI unit
- Coulomb
- SI symbol
- C
- Core relationship
- Q = I × t
- Typical use
- Capacitors, electrostatics and transient current calculations
What is electric charge?
Electric charge is the property that causes electromagnetic interaction. In circuits, it can be treated as the quantity moved by current over time.
The total transferred charge depends on both the current level and how long that current flows.
Coulombs and smaller charge units
One coulomb is a large practical unit for many low-energy electronic situations, so millicoulombs, microcoulombs and nanocoulombs are often easier to use.
These smaller units appear naturally in capacitor problems, sensor interfaces and electrostatic examples where absolute charge values are modest.
Where charge conversions are useful
Charge conversions help when interpreting capacitor behavior, integrating current over time and comparing transient electrical effects.
They also provide a bridge between current-based circuit measurements and stored-energy or pulse-based calculations.
Unit comparison table
| Unit | Symbol | SI equivalent | System | Common use |
|---|---|---|---|---|
| Coulomb | C | SI reference unit | SI | Electrostatics and capacitor calculations |
| Millicoulomb | mC | 1 mC = 0.001 C | SI prefix | Circuit and charge calculations |
| Microcoulomb | µC | 1 µC = 0.000001 C | SI prefix | Electronics and electrostatics |
| Nanocoulomb | nC | 1 nC = 0.000000001 C | SI prefix | Small charge measurements |
Electric charge units
| Unit | Symbol | Information |
|---|---|---|
| Coulomb | C | View unit guide |
| Millicoulomb | mC | View unit guide |
| Microcoulomb | µC | View unit guide |
| Nanocoulomb | nC | View unit guide |