Formula
ft·lb/s to hp(I) conversion formula
Use this relationship for a direct conversion:
Worked example
2 ft·lb/s = 0.0036363636 hp(I).
Horsepower type is always identified because mechanical and metric horsepower differ by about 1.4 percent.
Power conversion
1 foot-pound per second (ft·lb/s) equals 0.001818181818 mechanical horsepower (hp(I)). Enter any value below to convert from ft·lb/s to hp(I).
Enter a value and choose units. Results update instantly.
1 ft·lb/s = 0.0018181818 hp(I)
| Unit | Value |
|---|---|
| Watt W | 1.3558179483 |
| Kilowatt kW | 0.0013558179 |
| Megawatt MW | 0.0000013558 |
| Milliwatt mW | 1,355.8179483314 |
| Mechanical horsepower hp(I) | 0.0018181818 |
| Metric horsepower PS | 0.0018433994 |
| BTU (IT) per hour BTU/h | 4.6262428684 |
| Foot-pound per second ft·lb/s | 1 |
Formula
Use this relationship for a direct conversion:
2 ft·lb/s = 0.0036363636 hp(I).
Horsepower type is always identified because mechanical and metric horsepower differ by about 1.4 percent.
Quick reference
| Foot-pound per second (ft·lb/s) | Mechanical horsepower (hp(I)) |
|---|---|
| 0.01 | 0.0000181818 |
| 0.1 | 0.0001818182 |
| 1 | 0.0018181818 |
| 2 | 0.0036363636 |
| 5 | 0.0090909091 |
| 10 | 0.0181818182 |
| 25 | 0.0454545455 |
| 50 | 0.0909090909 |
| 100 | 0.1818181818 |
| 1,000 | 1.8181818182 |
From unit
One foot-pound of work per second.
Symbol: ft·lb/s
To unit
Exactly 550 foot-pounds force per second.
Symbol: hp(I)
Keep converting
Source
Definitions are checked against NIST SP 811: Power units. Calculations use full internal precision before display rounding.
View the complete power converterQuestions
Use the formula hp(I) = ft·lb/s x 0.001818181818. 1 foot-pound per second (ft·lb/s) equals 0.001818181818 mechanical horsepower (hp(I)).
Horsepower type is always identified because mechanical and metric horsepower differ by about 1.4 percent.