Convert Coulombs per square metre to Millicoulombs per square metre
Convert Coulombs per square metre (C/m²) to Millicoulombs per square metre (mC/m²) instantly and accurately.
Conversion Formula
mC/m² = C/m² × 1000
About Coulombs per square metre
The coulomb per square metre (C/m²) is the SI coherent unit of surface charge density, equal to 1 A·s·m⁻². A parallel-plate capacitor with 1 C/m² on each plate produces a gap field of 1/ε₀ ≈ 113 GV/m; realistic capacitor plate densities are 10-100 µC/m²; charge density on a sphere at electrical breakdown of air is about 27 µC/m². 1 C/m² = 10³ mC/m² = 10⁶ µC/m².
About Millicoulombs per square metre
The millicoulomb per square metre (mC/m²) equals 10⁻³ C/m², the scale for triboelectric charging of common plastics and electrostatic spray-coating processes. Rubbed polytetrafluoroethylene (PTFE) accumulates 1-10 mC/m²; electrostatic powder coating guns deposit 1-5 mC/m² on grounded work pieces; thundercloud base charge density before lightning is 1-5 mC/m². 1 mC/m² = 10⁻³ C/m² = 10³ µC/m².
Quick Reference Table
| Coulombs per square metre (C/m²) | Millicoulombs per square metre (mC/m²) |
|---|---|
| 1 C/m² | 1000 mC/m² |
| 2 C/m² | 2000 mC/m² |
| 5 C/m² | 5000 mC/m² |
| 10 C/m² | 10000 mC/m² |
| 25 C/m² | 25000 mC/m² |
| 50 C/m² | 50000 mC/m² |
| 100 C/m² | 100000 mC/m² |