Foot-pounds force to Joules
1 ft·lbf ≈ 1.356 J. Edit either value to convert instantly.
Conversion formula
J = ft·lbf × (1.3558179483314) × (1)1 ft·lbf ≈ 1.35582 J
foot-pound force (ft·lbf)
Foot-pound force is a unit of energy: 1 ft·lbf = 1.3558179483314 J.
Source: NIST SP 811, Appendix B.9: conversion factors by quantity
joule (J)
One joule is the work done by a force of 1 newton moving an object 1 meter along the force: 1 J = 1 N·m.
Source: BIPM, The International System of Units (SI), 9th edition
Conversion table
| ft·lbf | J |
|---|---|
| ≈ 1.35582 | |
| ≈ 2.71164 | |
| ≈ 6.77909 | |
| ≈ 13.5582 | |
| ≈ 20.3373 | |
| ≈ 27.1164 | |
| ≈ 33.8954 | |
| ≈ 40.6745 | |
| ≈ 54.2327 | |
| ≈ 61.0118 |
| ft·lbf | J |
|---|---|
| ≈ 67.7909 | |
| ≈ 81.3491 | |
| ≈ 94.9073 | |
| ≈ 108.465 | |
| ≈ 122.024 | |
| ≈ 135.582 | |
| ≈ 203.373 | |
| ≈ 216.931 | |
| ≈ 230.489 | |
| ≈ 244.047 |
Frequently asked questions
How many joules are in 1 foot-pound force?
1 ft·lbf ≈ 1.356 J. J = ft·lbf × (1.3558179483314) × (1)
How do I convert ft·lbf to J?
J = ft·lbf × (1.3558179483314) × (1)
Is 1 foot-pound force bigger than 1 joule?
1 ft·lbf ≈ 1.356 J.
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