Electrical & Electronics Calculators

Calculate voltage, current, and resistance using V=IR.

Calculate electrical power using P=VI and related formulas.

Calculate equivalent resistance for series and parallel circuits.

Calculate capacitance, charge, voltage, and energy for capacitors.

Calculate optimal series, parallel, or hybrid configurations for solar panel systems.

Calculate magnetic field strength and force for wires, loops, and solenoids.

Calculate wavelength, frequency, speed, and photon energy.

Calculate focal length, object/image distance, and magnification.

Calculate refraction angles, indices, and critical angle using Snell's Law.