Electrical Calculator

Electrical Calculator is your all-in-one app for fast, accurate electrical calculations. With over 65 tools and built-in formulas, it supports both USCS and SI units and is ideal for electrical and electronics engineers, students, and professionals.

New Additions include Resistor Color Code calculators, upgraded NEC/IEEE-aligned voltage drop calculations, and Transformer Resistance Imbalance. Core calculators cover voltage, current, resistance, power, and kVA to amps (single and three-phase), plus extensive system, reactance, series/parallel, lighting, conversions, and advanced load tools. Features like a simple interface, dark mode, and localization make it practical for everyday work.