How to convert kilowatts to watts
To convert a measurement in kilowatts to watts, multiply the value by 1,000. The conversion factor comes from the relationship between both units and the watt.
For example, to convert 5 kW to watts: 5 × 1,000 = 5,000 W.
What is a kilowatt?
A kilowatt equals 1,000 watts and is the standard unit for the power of motors, heaters, and electric vehicles. As electrical machinery grew more powerful, the kilowatt became the practical unit for rating engines and appliances, and it is now the metric counterpart to horsepower in automotive specifications.
Common uses of kilowatts include: Electric vehicle motor power; Home appliance and heater ratings; Car engine output (metric); Solar array and generator capacity.
What is a watt?
A watt is the SI derived unit of power, equal to one joule of energy per second (1 J/s). Named after Scottish engineer James Watt, whose steam-engine improvements powered the Industrial Revolution. The watt became the SI unit of power in 1960 and now measures everything from light bulbs to power plants.
Common uses of watts include: Light bulb and appliance ratings; Electronic device power consumption; Audio amplifier output; Scientific and electrical calculations.
Kilowatts to watts worked examples
Here are some common values converted:
1 kW = 1,000 W 5 kW = 5,000 W 10 kW = 10,000 W 50 kW = 50,000 W 100 kW = 100,000 W
Frequently asked questions
How many watts are in one kilowatt?
One kilowatt (kW) equals 1,000 watts (W). Multiply any value in kilowatts by 1,000 to convert to watts.
How do I convert kilowatts to watts?
Multiply the value in kilowatts by 1,000. For example, 5 kW × 1,000 = 5,000 W.
How do I convert watts to kilowatts?
Multiply the value in watts by 0.001, or divide by 1,000. Use the swap button on the converter above to reverse the direction.
Is the kilowatt to watt conversion exact?
Mechanical horsepower is defined as exactly 745.7 W and metric horsepower as 735.49875 W. SI conversions are exact.
What is the formula for kilowatts to watts?
The formula is: W = kW × 1,000. This comes from the definition of both units relative to the watt.