Live Converter
Convert Power Online
Enter your value above to convert foot pound-force/second units to watts or vice versa.
Real-World Examples
The Uses of Foot Pound-Force/Second units to Watts Conversion
Foot pound-force per second is the fundamental building block behind mechanical horsepower, so this conversion is most useful when comparing against an electric motor figure given in watts.
Teaching the Classical Definition of Mechanical Power
Physics instructors building imperial-unit problem sets who convert an electric motor's power rating from watts into foot pound-force per second to connect SI and imperial mechanical power concepts for students.
Rating Small Imperial-Unit Mechanisms
Mechanical engineers working with small mechanisms specified in foot pound-force per second convert the rating into watts to compare against electric motor replacement options sourced from SI-rated catalogs.
Comparing Historical Mechanical Power Benchmarks
Engineering historians comparing historical mechanical power benchmarks, documented in foot pound-force per second, convert the figures into watts to place them on the same scale as modern equipment.
Quick Reference
Comprehensive Conversion Table
Our quick table gives you instant results, so you don't have to calculate these common values manually.
| Conversion | Formula | Result (W) |
|---|---|---|
| 1 ft·lbf/s to W | 1 × 1.3558179483314003 | 1.36 W |
| 2 ft·lbf/s to W | 2 × 1.3558179483314003 | 2.71 W |
| 3 ft·lbf/s to W | 3 × 1.3558179483314003 | 4.07 W |
| 5 ft·lbf/s to W | 5 × 1.3558179483314003 | 6.78 W |
| 10 ft·lbf/s to W | 10 × 1.3558179483314003 | 13.56 W |
| 20 ft·lbf/s to W | 20 × 1.3558179483314003 | 27.12 W |
| 50 ft·lbf/s to W | 50 × 1.3558179483314003 | 67.79 W |
| 100 ft·lbf/s to W | 100 × 1.3558179483314003 | 135.58 W |
| 500 ft·lbf/s to W | 500 × 1.3558179483314003 | 677.91 W |
Got Questions?
Frequently Asked Questions
How many watts are in 1 foot pound-force/second?
1 foot pound-force/second equals 1.35582 watts, a figure useful for anyone working at the imperial mechanical engineering and physics instruction scale.
How many foot pound-force/second units are in 1 watt?
1 watt equals approximately 0.737562 foot pound-force/seconds, which puts the size of a single watt into perspective against the foot pound-force/second.
Why would anyone convert foot pound-force per second to watts?
This comes up in physics instruction and imperial-unit mechanical engineering, where a mechanism's power rated in foot pound-force per second needs to be compared against an electric motor's figure in watts.
How does this unit relate to the standard mechanical horsepower?
Mechanical horsepower is defined as exactly 550 foot pound-force per second, making this unit the fundamental building block behind the familiar horsepower figure.