Coulomb's Law Calculator

About Coulomb's Law Calculator

Calculate electrostatic force between two charges.

How to Use

Calculate electrostatic force between two charges. Enter the Charge 1, Charge 2, and Distance values and review the Electrostatic force outputs after you calculate.

  1. Open the calculator : Use Coulomb's Law Calculator from the Physics category.
  2. Check the inputs : Review the required values and any optional settings.
  3. Read the formula : Use the formula and notes below to understand how the result is produced.

Common Questions

What formula does the Coulomb's Law Calculator use?

Fe = k |q1 x q2| / r^2.

Inputs

  • Charge 1
  • Charge 2
  • Distance

Outputs

  • Electrostatic force

Formula

Fe = k |q1 x q2| / r^2.