HP → W
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
Formula
W = HP × 745.7
About this calculator
The HP → W converter is a practical tool for converting between horsepower (HP) and watts (W). Based on the formula W = HP × 745.7, this calculator allows you to convert quickly between the units, making it useful for energy and power applications in various areas, such as hydraulics, mechanics, and electricity.
This conversion is especially useful in cases where you work with motors, generators, and other systems that use horsepower as a unit of power. With the HP → W converter, you can easily calculate the power in watts from the power in horsepower, which is essential to ensure compatibility and efficiency of these systems.
Remember that the conversion of HP to W is a fundamental tool to ensure consistency and accuracy in your measurements and calculations. Also, be careful with the accuracy of the input values, as this can affect the accuracy of the conversion.
In this sense, it is essential to use this tool only for practical and technical purposes, avoiding the use of inaccurate or imprecise input values. Also, it is always recommended to consult a reliable source for the definition of the parameters and units used.
Frequently asked questions
What is the conversion factor between HP and W?
The conversion factor is 745.7, which means that one HP is equivalent to 745.7 W.
When should I use this conversion?
This conversion is useful in cases where you work with motors, generators, and other systems that use horsepower as a unit of power.
How can I ensure the accuracy of the conversion?
You should be careful with the accuracy of the input values, as this can affect the accuracy of the conversion.
Can I use this tool for commercial purposes?
Yes, you can use this tool for commercial purposes, as long as you respect the terms of use and do not use inaccurate or imprecise input values.
Where can I find additional information about the conversion of HP to W?
You can consult a reliable source for the definition of the parameters and units used.