Foot-pounds per second (ft⋅lbf/s)
The foot-pound per second is the US customary unit of power; 550 ft·lbf/s is one horsepower.
Convert foot-pounds per second to any power unit
1 foot-pound per second = 1.355817948 watts
Quick facts
1 foot-pound per second in other units
| Watts | 1.355817948 W |
| Kilowatts | 0.001355817948 kW |
| Horsepower | 0.001818181818 hp |
| BTUs per hour | 4.626242868 BTU/h |
| Megawatts | 0.000001355818 MW |
| Metric horsepower | 0.001843399392 PS |
| Tons of refrigeration | 0.000385520239 TR |
| Gigawatts | 1.3558179 × 10-9 GW |
What is a foot-pound per second?
The foot-pound per second is the US customary unit of power; 550 ft·lbf/s is one horsepower.
Where the foot-pound per second sits among power units
The foot-pound per second is number 11 of 32 on our scale of power units, ordered from smallest to largest.
Milliwatt1 ft⋅lbf/s = 1,355.82 mW
BTU per hour1 ft⋅lbf/s = 4.62624 BTU/h
Watt1 ft⋅lbf/s = 1.35582 W
Volt-ampere1 ft⋅lbf/s = 1.35582 VA
Foot-pound per secondthis unit
Metric horsepower1 PS = 542.476 ft⋅lbf/s
Horsepower1 hp = 550 ft⋅lbf/s
Kilowatt1 kW = 737.562 ft⋅lbf/s
Kilovolt-ampere1 kVA = 737.562 ft⋅lbf/s
What foot-pounds per second are used for
- US customary physics and engineering problems.
- Deriving horsepower (550 ft·lbf/s).
Foot-pounds per second in real life
- Lifting 100 lb by 5.5 ft in one second takes 550 ft·lbf/s, exactly 1 hp.
Top foot-pound per second conversions
- Foot-pounds per second to watts
- Foot-pounds per second to kilowatts
- Foot-pounds per second to horsepower
- Foot-pounds per second to BTUs per hour
- Foot-pounds per second to megawatts
- Foot-pounds per second to metric horsepower
- Foot-pounds per second to tons of refrigeration
- Foot-pounds per second to gigawatts
- Foot-pounds per second to milliwatts
- Foot-pounds per second to kilovolt-amperes
- Foot-pounds per second to volt-amperes
Common amounts of foot-pounds per second
Convert foot-pounds per second to all 31 other units
Metric (SI)
- ft⋅lbf/s to W
- ft⋅lbf/s to kW
- ft⋅lbf/s to MW
- ft⋅lbf/s to GW
- ft⋅lbf/s to mW
- ft⋅lbf/s to TW
- ft⋅lbf/s to µW
- ft⋅lbf/s to nW
- ft⋅lbf/s to PW
- ft⋅lbf/s to pW
Horsepower
Heat & refrigeration
- ft⋅lbf/s to BTU/h
- ft⋅lbf/s to TR
- ft⋅lbf/s to kcal/h
- ft⋅lbf/s to MBH
- ft⋅lbf/s to BTU/min
- ft⋅lbf/s to cal/s
- ft⋅lbf/s to BTU/s
- ft⋅lbf/s to JRT
Mechanical & other
Convert to foot-pounds per second
- Watts to foot-pounds per second
- Kilowatts to foot-pounds per second
- Horsepower to foot-pounds per second
- BTUs per hour to foot-pounds per second
- Megawatts to foot-pounds per second
- Metric horsepower to foot-pounds per second
- Tons of refrigeration to foot-pounds per second
- Gigawatts to foot-pounds per second
- Milliwatts to foot-pounds per second
- Kilovolt-amperes to foot-pounds per second
- Volt-amperes to foot-pounds per second
Frequently asked questions
What is a foot-pound per second?
The foot-pound per second is the US customary unit of power; 550 ft·lbf/s is one horsepower.
How is the foot-pound per second defined?
About 1.356 W.
How many watts are in a foot-pound per second?
One foot-pound per second equals 1.355817948 watts.
How many kilowatts are in a foot-pound per second?
One foot-pound per second equals 0.001355817948 kilowatts.
How many horsepower are in a foot-pound per second?
One foot-pound per second equals 0.001818181818 horsepower.