Electricity & Magnetism Calculators

All electricity & magnetism calculators in one place.

Calculate voltage, current, or resistance using Ohm's Law, V = IR.

Calculate voltage from current and resistance, or from power and current.

Calculate electric current from voltage and resistance.

Calculate electrical resistance from voltage and current.

Calculate electrical power from voltage, current, or resistance.

Calculate electrical energy consumption from power and time.

Calculate total resistance for resistors connected in series.

Calculate total resistance for resistors connected in parallel.

Calculate capacitance, charge, and energy stored in a capacitor.

Calculate the time constant and charging/discharging behavior of an RC circuit.

Calculate magnetic field strength from current and distance.

Calculate the force on a charged particle moving through a magnetic field.

Calculate induced EMF from changing magnetic flux using Faraday's Law.

Calculate voltage, current, and turns ratio for a transformer.