Convert Megafarads per metre to Femtofarads per metre

Convert Megafarads per metre (MF/m) to Femtofarads per metre (fF/m) instantly and accurately.

Megafarads per metre (MF/m)
Femtofarads per metre (fF/m)

Conversion Formula

fF/m = MF/m × 1.000000000e+21

About Megafarads per metre

The megafarad per metre (MF/m) equals 10⁶ F/m, a theoretical permittivity scale for extreme-screening media. Drude model of a free-electron metal below the plasma frequency gives effective permittivity in the MF/m range at audio frequencies; superconducting London kinetic inductance modelled as a dielectric permittivity yields MF/m values in the GHz band. 1 MF/m = 10⁶ F/m = 10³ kF/m.

About Femtofarads per metre

The femtofarad per metre (fF/m) equals 10⁻¹⁵ F/m, the smallest practical permittivity scale. Permittivity of near-perfect vacuum regions at sub-pF/m levels, noise-floor permittivity in cryogenic microwave resonators, and modelled permittivity of hypothetical near-zero-index metamaterial layers all span the fF/m range. 1 fF/m = 10⁻¹⁵ F/m = 10⁻³ pF/m.

Quick Reference Table

Megafarads per metre (MF/m)Femtofarads per metre (fF/m)
1 MF/m1 × 1021 fF/m
2 MF/m2 × 1021 fF/m
5 MF/m5 × 1021 fF/m
10 MF/m1 × 1022 fF/m
25 MF/m2.5 × 1022 fF/m
50 MF/m5 × 1022 fF/m
100 MF/m1 × 1023 fF/m

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