Capacitance Converter
Convert between common capacitance units. Press
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Value
Compute from Q / V (C = Q / V)
Compute from energy & voltage (C = 2E / V²)
Parallel‑plate capacitor (C = ε₀·εᵣ·A / d)
From unit
To unit
Precision (decimal places)
Charge (Q)
Coulomb (C)
mC
Voltage (V)
V
kV
C = Q / V. Units converted automatically.
Energy (E)
J
mJ
eV
Voltage (V)
V
For a capacitor: E = 1/2·C·V² → C = 2E / V². Energy units will be converted to joules automatically.
Relative permittivity (εᵣ)
Separation (d)
m
mm
µm
Plate area (A)
m²
cm²
mm²
C = ε₀·εᵣ·A / d. ε₀ = 8.854187817e-12 F/m.
1 F
1 µF
1 pF
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