⚡ Energy
foot-pounds to joules Converter
Convert foot-pounds to joules instantly with a reference table.
Quick answer: To convert foot-pounds to joules, multiply by 1.35582. For example, 1 foot-pounds = 1.35582 joules. Use the calculator below for any value.
foot-pounds to joules
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Common conversions
| foot-pounds | joules |
|---|
Formula:
How to convert foot-pounds to joules
1
Enter your value
Type the number of foot-pounds you want to convert into the left box. The result in joules appears instantly in the right box. You can also type into the right box to convert in the other direction.
2
Use the swap button
Click the ⇄ Swap button to reverse the conversion — joules to foot-pounds. Your current value carries across so you don't have to re-enter anything.
3
About foot-pounds and joules
foot-pounds and joules are both energy measurements.
💡 Did you know?
1 ft·lb = 1.356 J. Torque wrenches are specified in lb·ft (pound-feet) in the US, Nm (Newton-metres) in Europe. 1 lb·ft = 1.356 Nm. A car lug nut is typically torqued to 80-120 lb·ft = 108-163 Nm.
📊 Common conversions at a glance
| foot-pounds | joules |
|---|---|
| 1 | 1.356 |
| 5 | 6.779 |
| 10 | 13.56 |
| 50 | 67.79 |
| 100 | 135.6 |
| 500 | 677.9 |
Reviewed for 2026. foot-pounds ↔ joules conversion factor verified against published reference data. Built by a UK-based qualified primary teacher and FA Level 2 coach as part of 247QuickTools' free utility-tools project.