About this Power Converter
Power Converter switches between common units used for electrical equipment, engines, heating systems and technical specifications. It includes mechanical horsepower and BTU per hour alongside SI units.
Formula or method
The entered power is converted to watts first, then converted from watts to the selected output unit.
Example
1 kilowatt equals 1,000 watts and is approximately 1.341 mechanical horsepower.
Common uses
- Convert appliance or motor ratings between watts and kilowatts.
- Compare mechanical horsepower with electrical power values.
- Convert heating or cooling rates between watts and BTU per hour.
How to use this tool
- Enter the values or text requested by the calculator.
- Choose units or options when the tool provides them.
- Select the calculation button and review the result.
- Use the formula, example and notes on this page to check whether the result fits your situation.
Important note
Horsepower has multiple definitions. This tool uses mechanical horsepower (approximately 745.699872 watts).
Frequently asked questions
Which horsepower definition is used?
This tool uses mechanical horsepower, approximately 745.699872 watts per hp.
Is power the same as energy?
No. Power is the rate at which energy is transferred or used, while energy is an accumulated quantity.