Kilowatt to Kilovolt-Ampere Converter

A kilowatt (kW) is a unit of power equal to one thousand watts (10³ W). It's one of the most commonly used power units, representing the power consumption of household appliances and small to medium electrical equipment.

The kilowatt became widely recognized with the expansion of electrical power to homes and businesses in the early 20th century. It provided a practical scale for household electricity consumption and became the standard unit for electrical billing and appliance ratings.

Kilowatts are universally used for household appliance ratings, small motor specifications, residential solar installations, and electricity billing. They're standard for home electrical consumption, appliance energy labels, and small-scale power systems.

Kilovolt-ampere (kVA) is a unit of apparent power equal to one thousand volt-amperes. It's widely used for rating large AC electrical equipment, transformers, and electrical systems where apparent power is the primary concern.

Kilovolt-ampere became standard with the growth of large AC electrical systems and power distribution. It provided an appropriate scale for rating transformers, generators, and large electrical equipment where apparent power capacity was the critical specification.

Kilovolt-amperes are extensively used for transformer ratings, generator specifications, large UPS systems, and electrical distribution equipment. They're standard for power system design, electrical equipment ratings, and AC power capacity specifications.