Convert British Thermal Unit to Foot-Pound
Use this free converter to change british thermal units (BTU) into foot-pounds (ft·lb). British thermal unit and foot-pound both measure energy. As a quick reference, 1 BTU equals 778.16926 ft·lb, and 1 ft·lb equals 0.0012850675 BTU.
Free · runs in your browser · no sign-up
Foot-Pound (ft·lb)
778.16926
1 BTU = 778.16926 ft·lb
Energy conversion table
| British Thermal Unit | Foot-Pound |
|---|---|
| 0.01 | 7.7816926 |
| 0.1 | 77.816926 |
| 0.5 | 389.08463 |
| 1 | 778.16926 |
| 2 | 1556.3385 |
| 3 | 2334.5078 |
| 5 | 3890.8463 |
| 10 | 7781.6926 |
| 20 | 15563.385 |
| 25 | 19454.232 |
| 50 | 38908.463 |
| 100 | 77816.926 |
| 1,000 | 778169.26 |
How to convert British Thermal Unit to Foot-Pound
Multiply the british thermal unit value by 778.16926 to get foot-pounds.
- Enter the number of british thermal units you want to convert.
- The converter instantly shows the equivalent value in foot-pounds.
- Worked example: 15 BTU × 778.16926 = 11672.539 ft·lb.
- Use the swap button to reverse the conversion (foot-pound to british thermal unit).
About these units
British Thermal Unit (BTU)
- Definition
- A British thermal unit (BTU) is the energy needed to raise one pound of water by one degree Fahrenheit.
- History
- It developed with steam engineering in Britain and the United States.
- Current use
- BTUs rate heating, air-conditioning, and appliance energy in the US.
Foot-Pound (ft·lb)
- Definition
- A foot-pound (ft·lb) is the work done by a one-pound force acting over one foot, about 1.356 joules.
- History
- It comes from the imperial system of mechanics.
- Current use
- Foot-pounds express torque and energy in US engineering and firearms.
Frequently asked questions
How many foot-pounds are in a british thermal unit?
There are 778.16926 ft·lb in 1 BTU. To convert, multiply the number of british thermal units by 778.16926.
How do I convert british thermal units to foot-pounds?
Multiply the british thermal unit value by 778.16926 to get foot-pounds. For example, 10 BTU = 7781.6926 ft·lb.
Is this british thermal unit-to-foot-pound converter free?
Yes. This converter is completely free, runs entirely in your browser, and requires no sign-up. Your inputs never leave your device.
Convert British Thermal Unit to other energy units
| Unit | 1 British Thermal Unit equals |
|---|---|
| Joule (J) | 1055.0558 J |
| Kilojoule (kJ) | 1.0550559 kJ |
| Calorie (cal) | 252.1644 cal |
| Kilocalorie (kcal) | 0.2521644 kcal |
| Watt Hour (Wh) | 0.29307107 Wh |
| Kilowatt Hour (kWh) | 0.00029307107 kWh |
| Electronvolt (eV) | 6.5851e+21 eV |
| Foot-Pound (ft·lb) | 778.16926 ft·lb |