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Enter your values in the input fields and the Ohm's Law Calculator will automatically calculate results in real-time. All calculations are performed instantly in your browser.

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Ohm's Law Calculator

Calculate properties of an electrical circuit using Ohm's Law formulas: V = IR, P = VI, and variations.

Logic Verified

Configure parametersUpdated: Feb 2026

Voltage (V)0 - 100

Current (A)0 - 100

Resistance (Ω)0 - 100

Voltage (V)

Current (A)

Resistance (Ω)

Power (W)

Expert Analysis & Methodology

Strategic Optimization

Based on your inputs, small adjustments in Voltage (V) could improve your outcome significantly.

Ohm's Law Calculator

The fundamental relationship between Voltage (V), Current (I), and Resistance (R).

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Disclaimer

This calculator is provided for educational and informational purposes only. It does not constitute professional legal, financial, medical, or engineering advice. While we strive for accuracy, results are estimates based on the inputs provided and should not be relied upon for making significant decisions. Please consult a qualified professional (lawyer, accountant, doctor, etc.) to verify your specific situation. CalculateThis.ai disclaims any liability for damages resulting from the use of this tool.