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Capacitance Calculator


Table of Content


This capacitance calculator evaluates the circuit's total capacitance, potential difference, and electrical charge for multiple capacitors connected either in series or in parallel.

Understand the Concept of Capacitance:

“The capability of a system to store energy in the form of electric charge is known as the capacitance of that system”.

  • Capacitance is measured in Farads (F).

The capacitance depends on the capacitor and the dielectric material that is used in between the plates. So, we say that a capacitor is utilized as a device to store electric charge. This amount of electrical charge that a capacitor can store is determined by the capacitor calculator. 

A capacitor consists of two plates of conducting material separated by insulating material referred to as dielectric

Capacitance Calculation Formula: 

This ratio of change in electric charge to the electric potential of the system is determined by the capacitance calculator. For manual calculations, the following formula helps you to understand how to find capacitance:

$$ C = \frac{εA}{s} $$


  • C is a capacitance 
  • ε is a permittivity 
  • A is a parallel plate area 
  • d is the distance between two conductive plates

By formula, it is determined that the value of C is directly proportional to the area and inversely to the distance between the conducting plates. 

By default, the capacitor calculator uses the permittivity value for a vacuum that is approximately 0.000000000008854 F/m but this can be changeable. Look at the table below that will help you to understand how different materials have different permittivity values, affecting the capacitance of capacitors.

Materials Unit (Farads per meter)
Air 8.85 x 10^(-12) F/m
Vacuum 8.85 x 10^(-12) F/m
Glass 4 - 7 F/m
Water 80 F/m
Ceramic 50 - 120 F/m
Teflon 2.0 - 2.1 F/m
Polyethylene 2.2 - 2.4 F/m

Our capacitors in parallel calculator are used to calculate capacitance of any capacitor, including parallel and series plate capacitors. 

Series Circuit of Capacitor:

In a series circuit of capacitors, the reciprocal of the total capacitance equals the sum of the reciprocals of individual capacitances.

1/Ctotal = 1/C1 + 1/C2 + …

Parallel Circuit of Capacitor:

In a parallel circuit of capacitors, the total capacitance is the sum of individual capacitances.

Ctotal = C1 + C2 + ...

How to Increase Capacitance?

To enhance the capacitance here are some specific ways to follow:

  • Increasing the surface area of the capacitor plates
  • Using materials with higher permittivity.
  • Adding dielectric material can effectively boost capacitance.
  • Connecting capacitors in parallel increases the overall capacitance

How Capacitance Calculator Functions Well:

The stored electric charges in Farad and other units can be calculated easily with the help of a capacitor calculator. This innovative calculator functions well if you fulfill their needs by inserting the below values:

Enter your Data:

  • Area (A) _ Choose the area that is covered by capacitor plates 
  • Permittivity (ε) _ For different materials its value also varies put the exact value in the field by matching from the table below.
  • Separation Distance (s) _ Put the distance that separates two plates

Result Summary:

  • Calculated capacitance based on user-provided values
  • Equivalent values of capacitance in alternative units of measurement

Frequently Ask Questions:

Difference Between Capacitor and Capacitance?

The ability to store electric charge is known as capacitance and the energy storing device is known as capacitor. 

What is the Working Principle of the Capacitor?

The working principle includes the accumulation of charges on the plates. The electric cloud is created when a voltage is applied across the plates that cause the negative and positive charges to accumulate on the respective field. 

What is Permittivity (ε) in Capacitance?

Permittivity is a term that determines the material’s capacity to store electric energy. The capacitance calculator evaluates how permittivity substance can affect to accumulated charges on the capacitor plate.  

List of Resources:

Wikipedia: Capacitance, Mutual capacitance, Capacitors, Energy storage, Capacitance in electronic and semiconductor devices, Nanoscale systems. capacitance, How does a capacitor work? How to increase capacitance.

Alan Walker

Studies mathematics sciences, and Technology. Tech geek and a content writer. Wikipedia addict who wants to know everything. Loves traveling, nature, reading. Math and Technology have done their part, and now it's the time for us to get benefits.

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