Convert Coulombs per cubic metre to Coulombs per cubic foot
Convert Coulombs per cubic metre (C/m³) to Coulombs per cubic foot (C/ft³) instantly and accurately.
Conversion Formula
C/ft³ = C/m³ × 0.02831684659
About Coulombs per cubic metre
The coulomb per cubic metre (C/m³) is the SI coherent unit of volume charge density, equal to 1 A·s·m⁻³. The depletion region of a silicon pn junction doped at ~6×10¹⁸ /m³ carries ρ ≈1 C/m³; the lightning return-stroke channel has net charge density of several C/m³; electrolytic capacitor dielectric space charge is in the C/m³ range. 1 C/m³ = 10³ mC/m³.
About Coulombs per cubic foot
The coulomb per cubic foot (C/ft³) equals exactly 1/(0.3048)³ C/m³ ≈35.3147 C/m³, used in North American materials testing and industrial electrostatics standards. Electrostatic charge density in polymer foam packaging is quoted in C/ft³ in ASTM standards; ESD-protective bag and tray charge retention is rated in C/ft³ in US industrial specifications. 1 C/ft³ ≈35.315 C/m³.
Quick Reference Table
| Coulombs per cubic metre (C/m³) | Coulombs per cubic foot (C/ft³) |
|---|---|
| 1 C/m³ | 0.0283168 C/ft³ |
| 2 C/m³ | 0.0566337 C/ft³ |
| 5 C/m³ | 0.141584 C/ft³ |
| 10 C/m³ | 0.283168 C/ft³ |
| 25 C/m³ | 0.707921 C/ft³ |
| 50 C/m³ | 1.41584 C/ft³ |
| 100 C/m³ | 2.83168 C/ft³ |