Beckify 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
Use this free browser-based calculator to work through the relevant electrical inputs, review the result, and compare it with field conditions.
For design, installation, or safety decisions, verify assumptions against the applicable code edition, equipment documentation, and site requirements.
Open the interactive tool