Equivalent Resistance Calculator

The Equivalent Resistance Calculator will calculate the:

  1. Equivalent resistance of a series combination of resistors
  2. Equivalent resistance of a parallel combination of resistors

Calculator Limitations: The Equivalent Resistance Calculator will calculate a maximum of 15 resistors.

Equivalent Resistance Calculator
Equivalent Resistance Calculator Results (detailed calculations and formula below)
The equivalent resistance of a series combination of resistors is Ω [Ohm]
The equivalent resistance of a series combination of resistors is Ω [Ohm]
(Equivalent resistance of a series combination of resistors calculation
Rs = R1 + R2 + R3
Rs =
Rs =
Rs =
Equivalent resistance of a series combination of resistors
Rp = 1/1/R1 + 1/R2 + 1/R3
Rp = 1/
Rp =
Rp =
Rp =
Equivalent Resistance Calculator Input Values

Please note that the formula for each calculation along with detailed calculations are available below. As you enter the specific factors of each equivalent resistance calculation, the Equivalent Resistance Calculator will automatically calculate the results and update the Physics formula elements with each element of the equivalent resistance calculation. You can then email or print this equivalent resistance calculation as required for later use.

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Discover Physics with free Physics Revision Notes and Physics Calculator: Equivalent Resistance. This image shows the properties and equivalent resistance formula for the Equivalent Resistance. The Equivalent Resistance Calculator will calculate the equivalent resistance of a series combination of resistors and the equivalent resistance of a parallel combination of resistors with full formula and calculations.

Related Physics Sections with Tutorials

Section 15: Electrodynamics

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Engineering

Formula and Calculation

Rs = R1 + R2 + R3

Formula and Calculation

Rp = 1/1/R1 + 1/R2 + 1/R3

This formula derives from the formula:

1/Rp = 1/R1 + 1/R2 + 1/R3

Electrodynamics Physics Tutorials associated with the Equivalent Resistance Calculator

The following Physics tutorials are provided within the Electrodynamics section of our Free Physics Tutorials. Each Electrodynamics tutorial includes detailed Electrodynamics formula and example of how to calculate and resolve specific Electrodynamics questions and problems. At the end of each Electrodynamics tutorial you will find Electrodynamics revision questions with a hidden answer that reveals when clicked. This allows you to learn about Electrodynamics and test your knowledge of Physics by answering the test questions on Electrodynamics.

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