Use this free Amps to kW Calculator to convert electrical current (amperes) into kilowatts for DC, single-phase AC and three-phase AC systems. Enter current, voltage and power factor to calculate active power, apparent power and electrical power using standard engineering formulas. Includes step-by-step calculations, mathematical equations and an animated electrical working diagram.

Convert kW to amps easily with our DC, single phase and three phase calculator. Includes formulas, power factor, electrical equations and examples.

Learn how a step-down transformer works, including its construction, working principle, voltage and current ratios, EMF equation, AC voltage waveforms, losses, efficiency, applications and interactive calculator. Understand how a transformer reduces AC voltage while maintaining the same frequency.

Learn about step-up transformers, including their working principle, construction, voltage ratio, EMF equation, applications and interactive calculator.

Learn how solar panels work, their construction, working principle, different types, photovoltaic effect, advantages, limitations and practical applications in solar energy systems.

Calculate electrical current from power and voltage with this easy-to-use current calculator. Learn the formula and explore practical examples.

Calculate voltage, current, resistance and power using Ohm’s Law. Explore formulas, practical examples and an interactive electrical calculator.