Foot Pounds To Joules Converter
Reverse Conversion
How This Converter Works
Convert foot Pounds to joules. Select the reverse direction to convert back.
Formula or rule
J = ft*lbf * 1.3558179483314003; ft*lbf = J / 1.3558179483314003
Example
- Input
- 1 ft*lbf
- Calculation
- 1 * 1.3558179483314003 = 1.3558179483314003
- Result
- 1.3558179483314003 J
Notes
The British thermal unit is the International Table (IT) Btu; calories use the thermochemical definition (1 cal = 4.184 J); one ton of TNT is conventionally 4.184 gigajoules.