Ohm's Law Calculator
Calculate voltage, current, or resistance quickly using CalHub’s free tool.
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About Ohm's Law
Ohm's Law is a fundamental principle in electronics that relates voltage, current, and resistance in an electrical circuit. This calculator helps students and engineers solve Ohm’s Law problems instantly.
How to Use?
- Enter values for any two variables (Voltage, Current, or Resistance).
- Leave the variable you want to calculate empty.
- Click "Calculate" to find the missing value.
Frequently Asked Questions
Yes, the Ohm's Law Calculator is completely free to use.
Ohm's Law states that Voltage (V) = Current (I) × Resistance (R).
Yes, you can calculate any one of them if the other two values are provided.
No registration is required; it is free and instant.
Yes, this tool works for both students learning electronics and professionals in engineering.