Ohm's Law Calculator
Enter any two of voltage (V), current (I), and resistance (R) to calculate the third using Ohm's Law.
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Result
Enter values to calculate
How to Use the Ohm's Law Calculator
1
Enter any two values.
2
The third is calculated.
3
See the result.
Frequently Asked Questions
What is Ohm's Law?
V = I Γ R, where V is voltage (volts), I is current (amps), and R is resistance (ohms).