Ohm's Law Calculator
Calculate voltage, current, resistance, and power based on Ohm's Law (V=IR).
Formula
V = I × R
How to Use
Enter Two Values

Enter any two known values of voltage, current, or resistance
Auto Calculate

The remaining value is automatically calculated
View Results and Power

Results are shown along with power consumption
Features
Bidirectional Calculation
Automatically compute the missing value from any two inputs
Power Calculation
Displays power (W) alongside V/A/Ω results
Circuit Diagram
Visual circuit diagram showing the relationship of V, I, R
FAQ
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