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Ohm's Law Calculator: Voltage, Current, Resistance, and Power
Solve any two to get the other variables. Includes formulas,unit tips,and common circuit mistakes.
1 min read
The Relations
- V = I × R
- P = V × I = I²R = V²/R
Solve by Known Pair
- Given V and R → I = V/R, P = V²/R
- Given I and R → V = IR, P = I²R
- Given V and I → R = V/I, P = VI
Tips
- Convert mA↔A, kΩ↔Ω correctly.
- Mind power ratings and heat dissipation.
Try It
Compute values instantly: Ohm's Law Calculator
Topics:#ohms law calculator#electronics#voltage#current#resistance
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