Electrical Suite
Watts-Volts-Amps-Ohms Calculator
Ohm's Law Master Converter solving active power, electrical potential, current, and resistance.
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Calculation Result
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Formula & Calculation Steps:
V = I × R | P = V × I | P = I² × R | P = V² / R
Ohm's Law Calculator (Watts, Volts, Amps, Ohms)
This comprehensive calculator solves for Power (Watts), Voltage (Volts), Current (Amps), or Resistance (Ohms) by applying Ohm's Law and Joule's Law. It is the fundamental equation for all basic electrical engineering calculations.
$$ V = I \times R \quad \text{and} \quad P = V \times I $$
Voltage equals Current times Resistance. Power equals Voltage times Current.