Convert Coulombs per inch to Coulombs per centimetre
Convert Coulombs per inch (C/in) to Coulombs per centimetre (C/cm) instantly and accurately.
Conversion Formula
C/cm = C/in × 0.3937007874
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.
About Coulombs per centimetre
The coulomb per centimetre (C/cm) equals exactly 100 C/m, used in high-energy particle physics and pulsed-power engineering. Particle accelerator beam current densities along the beam axis are quoted in C/cm for high-intensity bunches; pulsed lightning-simulator spark channels carry several C/cm at peak current; field-emission cathode models describe space-charge limited current in C/cm. 1 C/cm = 100 C/m = 10⁻² kC/m.
Quick Reference Table
| Coulombs per inch (C/in) | Coulombs per centimetre (C/cm) |
|---|---|
| 1 C/in | 0.393701 C/cm |
| 2 C/in | 0.787402 C/cm |
| 5 C/in | 1.9685 C/cm |
| 10 C/in | 3.93701 C/cm |
| 25 C/in | 9.84252 C/cm |
| 50 C/in | 19.685 C/cm |
| 100 C/in | 39.3701 C/cm |