Convert foot-pound to joule
1 ft⋅lb = 1.355817948 J
1 ft⋅lb = 1.36 J
1 ft⋅lb in every energy unit
| joule | 1.36 J |
| kilojoule | 0.00136 kJ |
| megajoule | 0.00000136 MJ |
| calorie | 0.324 cal |
| kilocalorie | 0.000324 kcal |
| watt-hour | 0.000377 Wh |
| kilowatt-hour | 3.77e-07 kWh |
| British thermal unit | 0.00129 BTU |
| foot-pound | 1 ft⋅lb |
| electron volt | 8.46e+18 eV |
| kiloelectron volt | 8.46e+15 keV |
| megaelectron volt | 8,460,000,000,000 MeV |
How the conversion works
Multiply by 1.355817948 to go from foot-pound to joule, or divide by it to go back. Every conversion on this site routes through the SI value (J) rather than a table of pairwise factors, so a round-trip returns exactly what you started with.
Going the other way? joule to foot-pound — 1 J = 0.7375621493 ft⋅lb.
foot-pound to joule — common values
| 1 ft⋅lb | 1.3558179 J |
| 2 ft⋅lb | 2.7116359 J |
| 3 ft⋅lb | 4.0674538 J |
| 5 ft⋅lb | 6.7790897 J |
| 10 ft⋅lb | 13.558179 J |
| 15 ft⋅lb | 20.337269 J |
| 20 ft⋅lb | 27.116359 J |
| 25 ft⋅lb | 33.895449 J |
| 50 ft⋅lb | 67.790897 J |
| 75 ft⋅lb | 101.68635 J |
| 100 ft⋅lb | 135.58179 J |
| 250 ft⋅lb | 338.95449 J |
| 500 ft⋅lb | 677.90897 J |
| 1000 ft⋅lb | 1,355.8179 J |