The image of capacitance of parallel plates is shown below.

To compute for capacitance of parallel plates, three essential parameters are needed and these parameters are** Permittivity of the Material (ε), Cross-sectional (A)** and **Distance Between the Plates (d).**

The formula for calculating capacitance of parallel plates:

C = ε_{r}ε_{o}A / d

Where:

C = Capacitance of Parallel Plates

ε_{r} = Permittivity of the material

ε_{o} = vacuum permittivity = 8.8541878176E-12

A = cross-sectional area

d = distance between the plates

Let’s solve an example;

Find the capacitance of parallel plates when the permittivity of the material is 14, the cross-sectional area is 8 and the distance between the plates is 2.

This implies that;

ε_{r} = Permittivity of the material = 14

ε_{o} = vacuum permittivity = 8.854E-12

A = cross-sectional area = 8

d = distance between the plates = 2

C = ε_{r}ε_{o}A / d

C = 14 x 8.854-12 x 8 / 2

C = 9.9166e-10 / 2

C = 4.958e-10

Therefore, the **capacitance of parallel plates **is **4.958e-10 farads.**