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Energy
Foot-pounds to Kilojoules
Convert foot-pounds (ft·lb) to kilojoules (kJ). Type a value below to see the result update instantly. Reference table and formula included.
Calculator
1 ft·lb = 0.001356 kJ
Foot-pounds to Kilojoules Conversion Table
Common values, ready to copy:
| foot-pounds | kilojoules |
|---|---|
| 1 ft·lb | 0.001356 kJ |
| 2 ft·lb | 0.002712 kJ |
| 5 ft·lb | 0.006779 kJ |
| 10 ft·lb | 0.013558 kJ |
| 25 ft·lb | 0.033895 kJ |
| 50 ft·lb | 0.067791 kJ |
| 100 ft·lb | 0.135582 kJ |
| 1,000 ft·lb | 1.3558 kJ |
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Formula
kilojoules = foot-pounds × 0.00135582
Energy uses the SI joule. Food calories (kcal) are 1,000 small calories: 1 kcal = 4,184 J. 1 kWh = 3.6 MJ = 3,600,000 J. 1 BTU = 1,055.06 J.
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