Watts Amps Volts Calculator
Enter real power, voltage, phase count, and power factor to estimate current and apparent power. This is arithmetic for planning, not a final equipment or code decision.
Open calculatorOhm law, watts, amps, volts, resistance, and direct electrical formula workflows.
Enter real power, voltage, phase count, and power factor to estimate current and apparent power. This is arithmetic for planning, not a final equipment or code decision.
Open calculatorEnter the known electrical values and choose what to solve for. This is an educational fixed-resistance estimate, not an equipment-selection or code-compliance result.
Open calculator