Convert between different units of power, from scientific calculations to automotive and heating/cooling applications.

1. Enter Value

Input the power value.

2. Select Units

• From: Current unit (e.g., Horsepower).
• To: Target unit (e.g., Kilowatt).

3. Get Result

View the accurate conversion instantly.

• Watt (W): The standard SI unit of power.
• Kilowatt (kW): 1,000 Watts. Common for electricity billing and engine power.
• Horsepower (hp):
• Mechanical (Imperial): ~745.7 Watts. Used in the US/UK for engines.
• Metric (PS): ~735.5 Watts. Used in Europe/Asia.
• Electric: 746 Watts exactly.
• BTU/hour: Common in HVAC (heating and cooling) systems.

• Cars: Convert engine specs from hp to kW.
• Appliances: Check power consumption (W to kW).
• AC/Heating: Convert BTU ratings to Watts to understand energy usage.

This tool supports over 50 power units, including:

• Scientific units (erg/s, J/s)
• Industrial units (ton of refrigeration)
• various forms of horsepower (boiler, electric, water)

Conversion factors are precise to significant digits to ensure accuracy for engineering needs.