Energy & Power

Foot-pounds per Second to Kilowatts

Convert foot-pounds per second to kilowatts instantly. 1 ft·lb/s = 0.0013558179 kW. Includes the exact factor, a conversion table of common values and the definition of both units.

ft·lb/s
Kilowatts
One step, one exact factorFoot-pounds per Secondwhat you have× 0.0013558179Kilowattswhat you getBoth units are defined against the same base unit, so the factor is exact — never an approximation.

How to convert foot-pounds per second to kilowatts

To convert foot-pounds per second to kilowatts, divide by 737.5621492773 (multiply by 0.0013558179). The relationship is fixed, so the same factor works for any quantity — there is nothing to look up and nothing that changes with temperature, location or context.

kW = ft·lb/s × 0.0013558179

Foot-pounds per Second to Kilowatts conversion table

The values people look up most often, rounded for reading. Use the calculator above for anything in between.

Foot-pounds per SecondKilowatts
1 ft·lb/s0.001356 kW
2 ft·lb/s0.002712 kW
3 ft·lb/s0.004067 kW
5 ft·lb/s0.006779 kW
10 ft·lb/s0.013558 kW
20 ft·lb/s0.027116 kW
25 ft·lb/s0.033895 kW
50 ft·lb/s0.067791 kW
100 ft·lb/s0.135582 kW
500 ft·lb/s0.677909 kW
1,000 ft·lb/s1.355818 kW

What is a foot-pounds per second?

The unit horsepower was originally defined against.

What is a kilowatt?

A thousand watts. Vehicle and appliance power is rated in kilowatts.

The formula

kW = ft·lb/s × 0.0013558179

Every result on this page comes from this formula. Nothing is rounded until the final display, so figures match a spreadsheet to the cent.

How to use the Foot-pounds per Second to Kilowatts

  1. Type the number of foot-pounds per second you want to convert.
  2. Read the result in kilowatts straight away — there is no button to press.
  3. Check the table below for the values that come up most often, or reverse the conversion with the linked kilowatts to foot-pounds per second page.

Foot-pounds per Second to Kilowatts — frequently asked questions

How many kilowatts are in a foot-pounds per second?

One foot-pounds per second equals 0.0013558179 kW. kW = ft·lb/s × 0.0013558179

What is the formula to convert foot-pounds per second to kilowatts?

The formula is kW = ft·lb/s × 0.0013558179. It is an exact definition rather than an approximation, so the conversion never drifts no matter how large the number.

How do I convert kilowatts back to foot-pounds per second?

Divide instead of multiplying: one kilowatt is 737.5621492773 ft·lb/s. The reverse converter is linked in the related tools list.

Is this conversion exact?

Yes. Both units are defined against the same base unit by international agreement, so the factor is exact — any rounding you see is only in the display, which you can widen by entering more decimal places.

Is this foot-pounds per second to kilowatts free to use?

Yes. Every calculator on the site is free, needs no sign-up, and runs entirely in your browser, so your figures never leave your device.

What people search for

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About this calculator

Written and reviewed by The Samsung Calculator editorial team. Every calculator is written against a published formula, reviewed against at least one independent reference implementation, and dated when it changes.

Last reviewed August 19, 2026 · Calculation runs client-side · No data collected · Report an error