Capacitance Calculator

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Calculates the capacitance of various capacitor configurations.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Area of plates, Distance between plates, Permittivity of dielectric material, Radius of the cylinder, Length of the cylinder, Inner radius of the spherical capacitor, and Outer radius of the spherical capacitor in the units shown.

Step 2

Read Capacitance (Spherical), Capacitance (Cylindrical), and Capacitance (Parallel Plate) in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

Example calculations

See the inputs and their calculated results.

Parallel Plate - Example 1

Area of plates: 0.1 square meters; Distance between plates: 0.001 meters; Permittivity of dielectric material: 0.000000000008854 F/m; Radius of the cylinder: 0.1 meters; Length of the cylinder: 1 meters; Inner radius of the spherical capacitor: 0.1 meters; Outer radius of the spherical capacitor: 0.2 meters

Capacitance (Spherical): 0.00000000002225252908 Farads; Capacitance (Cylindrical): 0.00000000001208018824 Farads; Capacitance (Parallel Plate): 0.0000000008854 Farads

Parallel Plate - Example 2

Area of plates: 0.01 square meters; Distance between plates: 0.0001 meters; Permittivity of dielectric material: 0.000000000008854 F/m; Radius of the cylinder: 0.1 meters; Length of the cylinder: 1 meters; Inner radius of the spherical capacitor: 0.1 meters; Outer radius of the spherical capacitor: 0.2 meters

Capacitance (Spherical): 0.00000000002225252908 Farads; Capacitance (Cylindrical): 0.00000000001208018824 Farads; Capacitance (Parallel Plate): 0.0000000008854 Farads

Cylindrical - Example

Area of plates: 1 square meters; Distance between plates: 0.001 meters; Permittivity of dielectric material: 0.000000000008854 F/m; Radius of the cylinder: 0.2 meters; Length of the cylinder: 0.5 meters; Inner radius of the spherical capacitor: 0.1 meters; Outer radius of the spherical capacitor: 0.2 meters

Capacitance (Spherical): 0.00000000002225252908 Farads; Capacitance (Cylindrical): 0.000000000005249904721 Farads; Capacitance (Parallel Plate): 0.000000008854 Farads

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