Ohm's Law Calculator

Solve for voltage, current, or resistance from any two values. Also shows power (watts).

A
Ω

Voltage

12.000 V

Current

2.000 A

Resistance

6.000 Ω

All Values

Voltage (V)12.000 V
Current (I)2.000 A
Resistance (R)6.000 Ω
Power (P)24.000 W
FormulaV = I × R

Use the Ohm's Law Calculator above to calculate your results. Enter your values and see instant results — all calculations run in your browser.

Disclaimer: This calculator is for informational purposes only and does not constitute tax, financial, or legal advice. Results are estimates based on the information you provide and current rates. Always consult a qualified tax professional or financial advisor for advice specific to your situation.