⚡ ft·lb to kJ — Foot-Pound to Kilojoule Converter
Convert energy units — joules, kilowatt-hours, calories, BTU, electron volts and more.
| Unit | Name | Value |
|---|---|---|
| 0.001 ft·lb | 1.35582e-06 kJ | |
| 0.01 ft·lb | 1.35582e-05 kJ | |
| 0.1 ft·lb | 0.000135582 kJ | |
| 1 ft·lb | 0.00135582 kJ | |
| 5 ft·lb | 0.0067791 kJ | |
| 10 ft·lb | 0.0135582 kJ | |
| 50 ft·lb | 0.067791 kJ | |
| 100 ft·lb | 0.135582 kJ | |
| 1000 ft·lb | 1.35582 kJ |
About Joule to BTU Conversion
The Joule (J) and the BTU (BTU) are both units of energy. Converting between them is straightforward using the formula above.
Formula: 1 J = 0.00094781339 BTU
This converter uses internationally recognized conversion factors. All calculations are performed client-side in your browser — no data is sent to any server.
Frequently Asked Questions
How do I convert Joule to BTU?
Use the converter above — enter your value in Joule and the result appears instantly in BTU. The formula is: 1 J = 0.00094781339 BTU
How many BTU are in 100 Joule?
100 J = 0.094781339 BTU
What is 1 Joule in BTU?
1 J = 0.00094781339 BTU
Is this Joule to BTU converter free?
Yes — Unitafy is completely free, requires no signup, and works instantly in your browser.
About Joule and BTU
Joule: The Joule (J) is the SI unit of energy, equal to one Newton-meter. All other energy units can be converted to Joules, making it the scientific standard.
BTU: The British Thermal Unit (BTU) equals approximately 1,055 Joules. It is used for heating and cooling systems, particularly in the United States.
About Joule and BTU
Joule
The SI unit of energy. Equal to the energy when a force of 1 newton moves 1 meter.
BTU
BTU is a unit of measurement commonly used in specific regional or technical contexts.