Coulomb's Law Calculator

This Calctown Calculator calculator calculates the electrostatic force of interaction between two point charges using coulomb's law.

Please enter the relative permittivity accordingly.

ε(relative permittivity)

q₁

q₂

r₂₁

F(electrostatic force)

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where

F₁, F₂ are electrostatic forces acting on the respective point charges

r₂₁ = distance between the point charges

q₁, q₂ charges on respective point charges

k_e = coulomb's constant