Convert Coulombs per square metre to Picocoulombs per square metre
Convert Coulombs per square metre (C/m²) to Picocoulombs per square metre (pC/m²) instantly and accurately.
Conversion Formula
pC/m² = C/m² × 1000000000000
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 Picocoulombs per square metre
The picocoulomb per square metre (pC/m²) equals 10⁻¹² C/m², the scale for surface charge density on lightly charged polymer electret films and semiconductor surface states. Low-dose ion-implanted silicon has surface charge densities of 1-100 pC/m²; piezoelectric polymer films (PVDF) accumulate picocoulombs per square metre at low mechanical stress. 1 pC/m² = 10⁻¹² C/m² = 10⁻³ nC/m².
Quick Reference Table
| Coulombs per square metre (C/m²) | Picocoulombs per square metre (pC/m²) |
|---|---|
| 1 C/m² | 1 × 1012 pC/m² |
| 2 C/m² | 2 × 1012 pC/m² |
| 5 C/m² | 5 × 1012 pC/m² |
| 10 C/m² | 1 × 1013 pC/m² |
| 25 C/m² | 2.5 × 1013 pC/m² |
| 50 C/m² | 5 × 1013 pC/m² |
| 100 C/m² | 1 × 1014 pC/m² |