Electric Motors
Horsepower Kilowatt Calculator
Horsepower Kilowatt reports mechanical power from one operating case.
Enter values for mechanical power
Use one consistent electrical operating case for all fields.
How Horsepower Kilowatt works
The calculation starts with kW = hp × 0.7457. Horsepower Kilowatt uses Horsepower, Kilowatts per horsepower to report Mechanical power. Motor power factor belongs in the separate Motor Power Factor worksheet.
With the loaded values, mechanical power evaluates to 7.46 kW. Change only the quantity being investigated.
Inputs for Horsepower Kilowatt
Horsepower and Kilowatts per horsepower belong to Horsepower Kilowatt. Keep source units with horsepower.
The preset case is instructional rather than prescriptive. Enter the applicable electrical data. Use Motor Power Current Calculator to a separate motor current calculation.
- Horsepower
- Example entry: 10 hp.
- Kilowatts per horsepower
- Example entry: 0.7457 kW/hp.
Reading the Horsepower Kilowatt result
This output represents Horsepower Kilowatt.
Standard size, duty, temperature, and transient checks remain outside this single equation. For shaft torque, use Motor Torque Calculator.
Measurement and units
Motor nameplate data, duty, enclosure, starting method, load profile, and thermal limits govern final selection. Check prefixes on horsepower. Overload current setting can be checked in Motor Overload Setting Calculator.
Use the same unit basis and observation location in alternate cases.
Limits of this calculation
Nameplate horsepower is rated shaft output.
A complete system can contain effects that this equation does not represent. Unentered effects remain outside Horsepower Kilowatt.
Questions about Horsepower Kilowatt
What does Horsepower Kilowatt calculate?
Horsepower Kilowatt reports mechanical power.
Can Horsepower be zero?
For Horsepower Kilowatt, measure any zero horsepower directly.
Why can mechanical power differ from measurement?
Nameplate horsepower is rated shaft output. Recheck horsepower.
Should the result be rounded?
Keep extra digits while comparing cases, then round to the precision supported by horsepower.