Convert Foot-Pound to British Thermal Unit
Use this free converter to change foot-pounds (ft·lb) into british thermal units (BTU). Foot-pound and british thermal unit both measure energy. As a quick reference, 1 ft·lb equals 0.0012850675 BTU, and 1 BTU equals 778.16926 ft·lb.
Free · runs in your browser · no sign-up
British Thermal Unit (BTU)
0.0012850675
1 ft·lb = 0.0012850675 BTU
Energy conversion table
| Foot-Pound | British Thermal Unit |
|---|---|
| 0.01 | 0.000012850675 |
| 0.1 | 0.00012850675 |
| 0.5 | 0.00064253373 |
| 1 | 0.0012850675 |
| 2 | 0.0025701349 |
| 3 | 0.0038552024 |
| 5 | 0.0064253373 |
| 10 | 0.012850675 |
| 20 | 0.025701349 |
| 25 | 0.032126687 |
| 50 | 0.064253373 |
| 100 | 0.12850675 |
| 1,000 | 1.2850675 |
How to convert Foot-Pound to British Thermal Unit
Multiply the foot-pound value by 0.0012850675 to get british thermal units.
- Enter the number of foot-pounds you want to convert.
- The converter instantly shows the equivalent value in british thermal units.
- Worked example: 15 ft·lb × 0.0012850675 = 0.019276012 BTU.
- Use the swap button to reverse the conversion (british thermal unit to foot-pound).
About these units
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.
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.
Frequently asked questions
How many british thermal units are in a foot-pound?
There are 0.0012850675 BTU in 1 ft·lb. To convert, multiply the number of foot-pounds by 0.0012850675.
How do I convert foot-pounds to british thermal units?
Multiply the foot-pound value by 0.0012850675 to get british thermal units. For example, 10 ft·lb = 0.012850675 BTU.
Is this foot-pound-to-british thermal unit 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 Foot-Pound to other energy units
| Unit | 1 Foot-Pound equals |
|---|---|
| Joule (J) | 1.3558179 J |
| Kilojoule (kJ) | 0.0013558179 kJ |
| Calorie (cal) | 0.32404827 cal |
| Kilocalorie (kcal) | 0.00032404827 kcal |
| Watt Hour (Wh) | 0.0003766161 Wh |
| Kilowatt Hour (kWh) | 3.7662e-7 kWh |
| Electronvolt (eV) | 8.4624e+18 eV |
| British Thermal Unit (BTU) | 0.0012850675 BTU |