Horsepower to Foot-pounds per second
Convert Horsepower to Foot-pounds per second instantly. Free online power unit converter with exact formula, conversion table and FAQ.
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Formula
ft-lb/s = hp × 550
hp = ft-lb/s × 0.001818181818
Conversion table
| 1 hp | 550 ft-lb/s |
| 5 hp | 2750 ft-lb/s |
| 10 hp | 5500 ft-lb/s |
| 20 hp | 11000 ft-lb/s |
| 50 hp | 27500 ft-lb/s |
| 100 hp | 55000 ft-lb/s |
| 500 hp | 275000 ft-lb/s |
| 1000 hp | 550000 ft-lb/s |
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Frequently asked questions
What is the source unit in this conversion?
The source unit is the horsepower (hp). Mechanical (imperial) horsepower is a traditional unit of power used for engines and motors, defined as exactly 745.6998715822702 watts.
What is the destination unit in this conversion?
The destination unit is the foot-pound per second (ft-lb/s). Foot-pound per second is an imperial rate of mechanical work, equal to one foot-pound of work performed each second.
How do I convert horsepower to foot-pounds per second?
Multiply the horsepower value by 550 to get foot-pound per second. For example, 1 hp × 550 = 550 ft-lb/s.
Is the horsepower to foot-pounds per second conversion exact?
Yes. Both units are defined by fixed numeric relationships to the watt, so the conversion factor used here, 550, is exact.
Where is this conversion commonly used?
It is used when comparing power ratings expressed in horsepower against equipment, engines, or specifications rated in foot-pounds per second.
Can I convert foot-pounds per second back to horsepower?
Yes. Multiply the foot-pound per second value by 0.001818181818 to get horsepower.
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About this conversion
This page converts horsepower (hp) into foot-pounds per second (ft-lb/s), two units used to describe power, the rate at which energy is transferred or work is done.
Mechanical (imperial) horsepower is a traditional unit of power used for engines and motors, defined as exactly 745.6998715822702 watts.
Foot-pound per second is an imperial rate of mechanical work, equal to one foot-pound of work performed each second.
The formula is ft-lb/s = hp × 550, derived from each unit's fixed relationship to the watt, the SI unit of power.
Because both units are defined by exact numeric relationships to the watt, this conversion is exact rather than approximate.