Ohm's Law Calculator
Solve voltage, current, resistance, and power from any two known values. Enter Voltage (V), Current (A) and Resistance (Ω) to get Voltage, Current, Resistance and Power.
Parameters
Enter the required details below
Ready to Calculate
Enter your parameters and click calculate to see the results here.
How to Use
- Enter Voltage (V).
- Enter Current (A).
- Enter Resistance (Ω).
- Click Calculate to see Voltage, Current, Resistance and Power.
- Check the result. Use Reset if you want to try different numbers.
About This Calculator
Solve voltage, current, resistance, and power from any two known values. This tool is in the Education & Science collection on Qalculators. Enter Voltage (V), Current (A) and Resistance (Ω) to calculate Voltage, Current, Resistance and Power. Results stay in your browser unless you copy them.
Frequently asked questions
What does Ohm's Law Calculator calculate?+
Solve voltage, current, resistance, and power from any two known values. You enter Voltage (V), Current (A) and Resistance (Ω) and receive Voltage, Current, Resistance and Power.
What information do I need for Ohm's Law Calculator?+
You need Voltage (V), Current (A) and Resistance (Ω). Optional fields can stay at their defaults.
Is Ohm's Law Calculator free to use?+
Yes. Ohm's Law Calculator is free and does not require an account. The calculation runs in your browser.
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