Convert Farads per metre to Picofarads per metre
Convert Farads per metre (F/m) to Picofarads per metre (pF/m) instantly and accurately.
Conversion Formula
pF/m = F/m × 1000000000000
About Farads per metre
The farad per metre (F/m) is the SI coherent unit of permittivity. It is an extremely large unit in practice - the vacuum permittivity ε₀ is only 8.854 × 10⁻¹² F/m. Permittivities in F/m arise in models of quasi-metallic electrolytes and ultralow-frequency behaviour of plasma where ionic screening raises the effective dielectric constant enormously. 1 F/m = 10³ mF/m.
About Picofarads per metre
The picofarad per metre (pF/m) equals 10⁻¹² F/m, the most widely used permittivity scale. The vacuum permittivity ε₀ ≈ 8.854 pF/m; air at STP is ≈8.859 pF/m; PTFE PCB substrate is ≈19 pF/m; FR-4 laminate is ≈37 pF/m. Dielectric specifications in IPC-4101 and IEC 60250 list pF/m values. 1 pF/m = 10⁻¹² F/m.
Quick Reference Table
| Farads per metre (F/m) | Picofarads per metre (pF/m) |
|---|---|
| 1 F/m | 1 × 1012 pF/m |
| 2 F/m | 2 × 1012 pF/m |
| 5 F/m | 5 × 1012 pF/m |
| 10 F/m | 1 × 1013 pF/m |
| 25 F/m | 2.5 × 1013 pF/m |
| 50 F/m | 5 × 1013 pF/m |
| 100 F/m | 1 × 1014 pF/m |