✨ Free Online Tool

Ohm's Law Calculator

Enter any two values to calculate the others.

Voltage (V)

Current (I)

Resistance (R)

Power (P)

Ohm's Law Formulas

V = I × R

I = V / R

R = V / I

P = V × I

Calculate Voltage, Current, Resistance, or Power using Ohm’s Law formulas.

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Built by Experts

Neeraj Kumar

IT & Devloper Engineer

Neeraj Kumar is an IT professional with over 10 years of experience in networking and developing high-performance web applications. development is his passion.

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