Electric Potential Calculator

Calculate electric potential (voltage) at a point in an electric field

Charge Unit:

Method 1: From Point Charge

Source Charge (Q):

Distance (m):

Method 2: From Work Done

Work Done (J):

Test Charge (q):

Electric Potential Formulas

Point Charge: V = k * Q / r

From Work: V = W / q

Potential Energy: U = k * Q * q / r = q * V

k = 8.99 x 10⁹ N·m²/C² (Coulomb's constant)