Electrical engineering toolbox
Power
Solve real power, reactive power, apparent power, current, and motor horsepower for DC, single-phase, and three-phase systems. DC identities (P=VI, I²R, V²/R) are a mode.
About this calculator
Solve real power, reactive power, apparent power, current, and motor horsepower for DC, single-phase, and three-phase systems. DC identities (P=VI, I²R, V²/R) are a mode.
For design, installation, or safety decisions, verify assumptions against the applicable code edition, equipment documentation, and site requirements.
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