Convert Coulombs per square centimetre to Coulombs per square metre
Convert Coulombs per square centimetre (C/cm²) to Coulombs per square metre (C/m²) instantly and accurately.
Conversion Formula
C/m² = C/cm² × 10000
About Coulombs per square centimetre
The coulomb per square centimetre (C/cm²) equals exactly 10⁴ C/m², used in electrochemistry for Faradaic charge densities in electrolytic cells and battery electrode characterisation. The theoretical charge density for lithiation of a graphene anode monolayer is ≈ 0.38 C/cm²; proton exchange membrane fuel cell charge densities are 0.1-1 C/cm²; pulsed-laser ablation craters carry µC to mC per cm². 1 C/cm² = 10⁴ C/m².
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.
Quick Reference Table
| Coulombs per square centimetre (C/cm²) | Coulombs per square metre (C/m²) |
|---|---|
| 1 C/cm² | 10000 C/m² |
| 2 C/cm² | 20000 C/m² |
| 5 C/cm² | 50000 C/m² |
| 10 C/cm² | 100000 C/m² |
| 25 C/cm² | 250000 C/m² |
| 50 C/cm² | 500000 C/m² |
| 100 C/cm² | 1000000 C/m² |