Convert Picocoulombs per square metre to Coulombs per square metre
Convert Picocoulombs per square metre (pC/m²) to Coulombs per square metre (C/m²) instantly and accurately.
Conversion Formula
C/m² = pC/m² × 1.000000000e-12
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.
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
| Picocoulombs per square metre (pC/m²) | Coulombs per square metre (C/m²) |
|---|---|
| 1 pC/m² | 1 × 10-12 C/m² |
| 2 pC/m² | 2 × 10-12 C/m² |
| 5 pC/m² | 5 × 10-12 C/m² |
| 10 pC/m² | 1 × 10-11 C/m² |
| 25 pC/m² | 2.5 × 10-11 C/m² |
| 50 pC/m² | 5 × 10-11 C/m² |
| 100 pC/m² | 1 × 10-10 C/m² |