Electrical Calculator

Electrical Calculator is your all-in-one app for fast, accurate, and essential electrical calculations. Packed with over 65 powerful tools, it’s designed for Electrical and Electronics Engineers, students, and professionals. All calculators include built-in formulas and support both USCS and SI units. New Additions: • Resistor Color Code Calculators – Convert resistance to color bands and vice versa. • Upgraded Voltage Drop Calculations – Now fully aligned with NEC/IEEE standards. Core Calculators: • Voltage Calculator • Current Calculator • Resistance Calculator • Power Calculator • kVA to Amps (Single Phase) Electrical System Calculators: • Voltage Drop Calculator (updated per NEC/IEEE standards) • Wire Size Calculations (AWG & sq.mm) • kVA to Amps (Three Phase) • Amps to kVA (Single & Three Phase) • Power, Current & Horsepower (DC, Single & Three Phase) • Efficiency & Power Factor Calculators Reactance & Impedance: • Inductive Reactance • Capacitive Reactance • Resonant Frequency • Characteristic Impedance (Parallel & Coaxial) Series / Parallel Calculations: • Resistance, Inductance & Capacitance (Series & Parallel) • Unknown Resistance & Capacitance (Series & Parallel) • R and L / R and C / L and C in Series or Parallel • R, L, and C in Series or Parallel Lighting & Energy Tools: • Luminous Intensity, Luminous Flux & Solid Angle • Energy Cost Calculator • Energy Stored in Resistors, Inductors & Capacitors Conversions: • Star to Delta Conversion • Delta to Star Conversion Advanced Load Calculations: • Neutral Current (3-Phase Unbalanced Loads) • Inductor & Capacitor Sizing Formulas Electrical Converters: • Field Strength & Electrical Potential • Resistance, Resistivity, Conductance & Conductivity • Capacitance & Inductance • Charge Converters: Linear, Surface, and Volume Charge Density • Current Density Converters: Linear & Surface Current Density • Power Converter Key Features: • Flexible unit selection for inputs and outputs • Simple, clean interface for both students and professionals • Supports Dark Mode and multiple localizations