Energy Converter
Result
... Pound-force foot = ... Joule
Result
... Pound-force foot
=
... Joule
Find the units to convert
Pound-force foot to Joule Converter
Use this page to convert pound-force foot values into joule, with background details, formulas, a worked example, and a quick conversion table.
Conversion formula
1 lbf ft = 1.3558179483314 J
1 J = 0.737562149277266 lbf ft
Example: 120 lbf ft = 162.698153799768 J
Pound-force foot
Pound-force foot (lbf ft) is represented in this converter as 1.3558179483314 joules.
History: Pound-force foot comes from mechanical work units combining force and length measures.
Current use: Pound-force foot is used in mechanics, torque-adjacent references, ballistics, and engineering calculations.
Also written as lbf ft.
Joule
A joule is the work done by a force of one newton through one meter.
History: It is named after James Prescott Joule.
Current use: Joules are used in physics, engineering, and energy calculations.
Also written as J, joules.
Pound-force foot to Joule table
| Pound-force foot [lbf ft] | Joule [J] |
|---|
| 0.01 lbf ft | 0.013558179483314 J |
| 0.1 lbf ft | 0.13558179483314 J |
| 1 lbf ft | 1.3558179483314 J |
| 2 lbf ft | 2.7116358966628 J |
| 5 lbf ft | 6.779089741657 J |
| 10 lbf ft | 13.558179483314 J |
| 20 lbf ft | 27.116358966628 J |
| 50 lbf ft | 67.79089741657 J |
| 100 lbf ft | 135.58179483314 J |