Calculate your result
Enter your figures below. Values stay in your browser.
How to use Horsepower to Kilowatts Converter
- Enter your figures in the units shown beside each field. Keep monetary inputs in the same currency; money results are currently displayed in USD.
- Select the unit standard where the form offers a choice, then choose Calculate.
- Read the breakdown and compare the worked example below. Change one assumption to see its effect.
Formula used
kW = mechanical hp × 0.745699872.
Worked example
200 mechanical hp × 0.745699872 = 149.1399744 kW, approximately 149.14 kW.
What the result means
Mechanical hp is distinct from metric horsepower (PS). Confirm the standard used in the original specification.
Check your result
Results retain calculation precision internally and round for display. Keep the input values with the result so you can reproduce it. Use Reset to restore the example inputs, or Copy result to copy the displayed answer.
If the result does not agree with your own calculation, report the page, inputs and expected answer. See our methodology and reference sources for the standards used.
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Formula, worked example and limitations updated September 10, 2026.