Power Unit Converter
Convert between all major power units: watt, kilowatt, megawatt, horsepower, BTU/h, calorie/s, foot-pound/min, and more.
The Ultimate Power Unit Converter
Our power unit converter is a comprehensive tool that accurately transforms measurements between all major power units: watt (W), kilowatt (kW), megawatt (MW), horsepower (hp), BTU per hour (BTU/h), calorie per second (cal/s), foot-pound per minute (ft·lb/min), metric horsepower (PS), erg per second (erg/s), deciwatt (dW), and ton of refrigeration (ton). This is essential for science, engineering, energy, and more.
Get instant, precise conversions for physics, engineering, HVAC, power generation, and everyday energy calculations. Supports decimal inputs and provides results to appropriate decimal places.
Input Power
Any power unit
Precise Conversion
Mathematical accuracy
Converted Result
Accurate power output
Power Converter
Conversion Formula
Power Conversion At Your Fingertips
Convert between watt, kilowatt, megawatt, horsepower, BTU/h, calorie/s, foot-pound/min, ton of refrigeration and more in seconds. Whether you need to translate engine power, calculate HVAC capacity, check generator output, or compare scientific units, just enter your value and select units. Results appear instantly.
Common searches we cover include “watt to horsepower,” “kW to MW,” “BTU to watt,” “calorie/s to watt,” and “ton to kW.” Our clear formulas and interactive table let you verify each conversion step and explore ranges at a glance.
- Instantly switch between metric, imperial, and specialized units
- Precision up to 9 decimal places or scientific notation
- Ideal for engineering, HVAC, power generation, and everyday use
- Fully responsive, no ads, and respects your privacy