ft·lbf·s to W Converter
Free online foot-pounds/s to watts for instant power unit conversions.
Features reference tables, practical applications for motors and appliances, and bidirectional conversion.
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Frequently Asked Questions
Common questions about the ft·lbf·s to W Converter
Ft-lbf/s is imperial mechanical power: work (ft-lbf) per time (s). 1 ft-lbf/s = 1.356 watts. Originally defined horsepower in terms of this: 550 ft-lbf/s = 1 hp.
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Sources & References
International System of Units (SI): power and radiant flux
Power and radiant flux is measured in the watt (W); 1 hp = 745.6999 W. Conversions between SI and other units use exact, internationally agreed factors maintained by NIST.
International System of Units (SI)
Authoritative definitions for power and radiant flux, from the BIPM SI Brochure (9th edition), the defining reference for the SI.