Convert Microcoulombs per metre to Coulombs per inch
Convert Microcoulombs per metre (µC/m) to Coulombs per inch (C/in) instantly and accurately.
Conversion Formula
C/in = µC/m × 2.540000000e-8
About Microcoulombs per metre
The microcoulomb per metre (µC/m) equals 10⁻⁶ C/m, the practical unit for high-voltage transmission line charge density and surface charge on dielectric films. A 400 kV overhead transmission line has a linear charge density of about 4-8 µC/m; triboelectrically charged polymer films carry surface charge equivalent to 1-100 µC/m along a strip; Van de Graaff belt charge densities are in this range. 1 µC/m = 10⁻⁶ C/m = 10⁻³ mC/m.
About Coulombs per inch
The coulomb per inch (C/in) equals exactly 1/0.0254 C/m ≈ 39.370 C/m, used in insulation specifications and dielectric withstand testing at the component level. Dielectric tape and insulating sleeve charge retention is sometimes expressed in C/in in US industry datasheets; PCB creepage and clearance charge density specifications for high-voltage designs appear in C/in. 1 C/in = 1/0.0254 C/m ≈ 39.370 C/m.
Quick Reference Table
| Microcoulombs per metre (µC/m) | Coulombs per inch (C/in) |
|---|---|
| 1 µC/m | 2.54 × 10-8 C/in |
| 2 µC/m | 5.08 × 10-8 C/in |
| 5 µC/m | 1.27 × 10-7 C/in |
| 10 µC/m | 2.54 × 10-7 C/in |
| 25 µC/m | 6.35 × 10-7 C/in |
| 50 µC/m | 1.27 × 10-6 C/in |
| 100 µC/m | 2.54 × 10-6 C/in |