Coulomb’s Law Calculator

Calculate the electrostatic force using: $F = k_{e} \frac{| q_{1} q_{2} |}{r^{2}}$

* Ensure that the distance $r$ is greater than 0 and all values are in consistent SI units.

Step 1: Enter Parameters

Charge

q_{1}

(C):

e.g., 1×10⁻⁶ C

Charge

q_{2}

(C):

e.g., 2×10⁻⁶ C

Distance,

r

(m):

e.g., 0.05 m

Calculated Electrostatic Force