Foot-pound to Kilojoule Converter
Convert foot-pounds to kilojoules with this free energy converter. The exact relationship used on this page is 1 foot-pound = 0.00135581794833 kilojoules. Type any number — the result updates instantly, works on phones and desktops, and is ready to copy into homework, a spec sheet, or a shopping list.
Formula: Kilojoule = Foot-pound × 0.00135581794833
How to convert foot-pounds to kilojoules
- Enter the value in foot-pounds in the converter.
- Read the equivalent amount in kilojoules.
- Use the swap link if you need kilojoule to foot-pound instead.
- Check the table for common values without typing.
Worked examples
- 1 ft·lb = 0.001355817948 kJ
- 5 ft·lb = 0.006779089742 kJ
- 10 ft·lb = 0.01355817948 kJ
- 25 ft·lb = 0.03389544871 kJ
Conversion table
Common foot-pounds values converted to kilojoules.
| ft·lb | kJ |
|---|---|
| 1 | 0.001355817948 |
| 2 | 0.002711635897 |
| 3 | 0.004067453845 |
| 4 | 0.005423271793 |
| 5 | 0.006779089742 |
| 6 | 0.00813490769 |
| 7 | 0.009490725638 |
| 8 | 0.01084654359 |
| 9 | 0.01220236153 |
| 10 | 0.01355817948 |
| 20 | 0.02711635897 |
| 50 | 0.06779089742 |
| 100 | 0.1355817948 |
| 250 | 0.3389544871 |
| 500 | 0.6779089742 |
| 1,000 | 1.355817948 |
About this conversion
Foot-pound (ft·lb) and Kilojoule (kJ) are both energy units. Energy converters connect food labels (kcal), electricity bills (kWh), physics (joules), and heating (BTU). Bookmark this URL when you convert foot-pounds to kilojoules often, then explore related pairs in the same category if you need a different target unit.
Need the other direction? Open the kilojoule to foot-pound converter.
FAQ
How many kilojoules are in 1 foot-pound?+
1 foot-pound equals 0.00135581794833 kilojoules.
What is the formula to convert foot-pounds to kilojoules?+
Kilojoule = Foot-pound × 0.00135581794833
How do I convert foot-pounds to kilojoules by hand?+
Multiply the foot-pound value by 0.00135581794833. Example: 10 foot-pounds × 0.00135581794833 = 0.0135581794833 kilojoules.
Is this ft·lb to kJ converter accurate?+
Yes. Linear conversions use internationally agreed factors relative to SI. Temperature and inverse fuel units use the standard offset or reciprocal formulas, not a guessed scale factor.