Foot-pounds to Joules converter
Convert ft·lb to J instantly. Type any value and get the result in joules. 1 ft·lb = 1.35582 J.
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1 ft·lb=
1.35582J
formula1 ft·lb = 1.35582 J
Common foot-pounds → joules
| = | 1.35582 J | |
| = | 2.71164 J | |
| = | 6.7791 J | |
| = | 13.5582 J | |
| = | 27.1164 J | |
| = | 67.791 J | |
| = | 135.582 J | |
| = | 677.91 J | |
| = | 1,355.82 J |
Need a different value? .
Convert the other way
Joules to Foot-pounds
How to convert foot-pounds to joules
To convert foot-pounds to joules, multiply the value by 1.35582.
Formula
J = ft·lb × 1.35582
For example:
- →5 ft·lb = 6.7791 J
- →100 ft·lb = 135.582 J
Quick reference
- ▸1 ft·lb = 1.35582 J
- ▸1 J = 0.737561 ft·lb
When you need to convert ft·lb to J
- ·Nutrition — converting calories to kilojoules on food labels.
- ·Electricity bills — kWh consumption.
- ·Heating — BTU ratings for furnaces.
- ·Exercise — calorie burn during workouts.
- ·Science — chemistry and physics problems.
Frequently asked
How many joules are in 1 foot-pound?
One foot-pound equals 1.35582 joules.
How do I convert ft·lb to J in my head?
Multiply the value in foot-pounds by 1.35582 to get joules.
What is the formula for foot-pounds to joules?
J = ft·lb × 1.35582.
What is the reverse — how many foot-pounds in 1 joule?
One joule equals 0.737561 foot-pounds.
Related conversions
Joules to Foot-pounds
1 J = 0.737561 ft·lb
Foot-pounds to Kilojoules
1 ft·lb = 0.00135582 kJ
Foot-pounds to Calories
1 ft·lb = 0.324049 cal
Foot-pounds to Kilocalories
1 ft·lb = 0.000324049 kcal
Kilojoules to Joules
1 kJ = 1,000 J
Calories to Joules
1 cal = 4.184 J
Kilocalories to Joules
1 kcal = 4,184 J
Watt-hours to Joules
1 Wh = 3,600 J
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