Free Power Unit Converter (Watts, Kilowatts, Horsepower hp, BTU/h) Online
Convert electrical and mechanical power between Watts (W), Kilowatts (kW), Metric & Mechanical Horsepower (hp), and BTU per hour. — 100% free online utility, zero sign-up, zero paywalls, and private client-side processing.
How It Works
Enter Power Reading
Input electrical wattage or engine horsepower.
Select Unit Pair
Choose Kilowatts to Horsepower or Watts to BTU/h.
Instant Conversion
View exact computed value.
Copy Value
Copy converted power figure.
Frequently Asked Questions
Related Format Converters Calculators & Utilities
Interlinked precision tools in the Format Converters collection.
Pressure Unit Converter (PSI, Bar, Pascal, atm, mmHg)
Convert pressure units across Pounds per Square Inch (PSI), Bar, Pascal (Pa/kPa/MPa), Standard Atmospheres (atm), and Torrs (mmHg).
Electric Voltage Unit Converter (Volts, mV, kV, MV)
Convert electrical potential across Volts (V), Millivolts (mV), Microvolts (µV), and Kilovolts (kV) with scientific notation.
Length Unit Converter
Convert between all length units: meters, feet, inches, centimeters, yards, miles, kilometers, nautical miles, light years, and more — with full precision.
Weight & Mass Converter
Convert between kilograms, pounds, grams, ounces, tonnes, stone, and troy ounces — with medical, cooking, and shipping context conversions.
Temperature Converter
Convert temperatures between Celsius, Fahrenheit, Kelvin, and Rankine scales with important temperature reference points and medical/weather context.
Speed Converter
Convert speed between km/h, mph, m/s, knots, Mach number, and other units. Includes vehicle speed context (walking, running, cycling, driving speeds).