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Power converter
Convert power units units online, free and without signing up: kilowatts and horsepower. Type a value and the result appears as you type, together with the value in every other unit. Nothing is uploaded: the calculation runs in your browser.
How to use the Power converter
- 1Type your value in the “Value” field
- 2Choose the units in “From” and “To”
- 3Read the result and the table of all units
- One result, and the value in every unit.
What happens to your numbers
- Nothing is uploaded.The calculation runs in your browser, on your own device.
- Every unit at once.A table shows your value in all the other power units.
- Works offline.Once the tool has been opened, it needs no connection.
What you can do
- Convert between every pair of the units with one input: “From” and “To” can be any of them.
- See your value in every power unit at once in the table below the result.
- Press “Swap” to turn the conversion around.
- Type decimals or negative numbers and see the result as you type.
Good to know
- This tool uses mechanical horsepower (745.7 W, “hp”). The metric horsepower on European car papers (PS, pk, CV) is 735.5 W, so its values differ by about 1.4%.
- Results are shown with up to 10 significant digits. Very large or very small numbers appear in exponent form, for example 1.5e+16.
Questions
Are my values sent to a server?
No. The calculation runs in your browser, on your own device. Nothing you type is sent to us or anyone else.
How do I switch the direction?
Press “Swap”. “From” and “To” change places and the result updates.
Is this PS or hp?
It is mechanical horsepower (hp), 745.7 watts. Metric PS, pk or CV is 735.5 watts, so a PS value converted here comes out about 1.4% too high in kW.