Foot-pound to Btu (IT) Conversion
Convert between Foot-pound and Btu (IT) quickly and accurately.
How to Convert Foot-pound to Btu (IT)
Conversion Formula
Example
Convert 15 ft⋅lbf to Btu (IT):
Unit Information
Learn about the energy units you're converting between
Foot-pound
ft⋅lbf
Definition
A foot-pound (symbol: ft⋅lbf) is a unit of energy or work in the imperial system, equal to approximately 1.356 joules. It represents the work done when a force of one pound-force moves an object one foot in the direction of the force.
History/Origin
The foot-pound was developed in the British imperial system for measuring mechanical work and energy. It became widely used in engineering and mechanical applications, particularly in the United States and other countries using imperial units.
Current Use
Foot-pounds are used in mechanical engineering for measuring torque and work, in automotive industry for engine specifications, in ballistics for projectile energy, and in mechanical systems for energy transfer calculations.
Multiplier
1.356
Offset
0
Btu (IT)
Btu (IT)
Definition
A British Thermal Unit (BTU) is a traditional unit of heat energy, equal to approximately 1,055 joules. It represents the amount of energy needed to raise the temperature of one pound of water by one degree Fahrenheit.
History/Origin
The BTU was developed in the 19th century in Britain for measuring heat energy in steam engines and heating systems. It became the standard unit for heating and cooling applications in the United States and other countries.
Current Use
BTUs are used in HVAC systems for measuring heating and cooling capacity, natural gas billing and consumption, appliance energy ratings, industrial heating processes, and thermal energy calculations in engineering.
Multiplier
1055.056
Offset
0
Foot-pound to Btu (IT) Conversion Table
| Foot-pound [ft⋅lbf] | Btu (IT) [Btu (IT)] |
|---|---|
| 1 ft⋅lbf | 0.001285 Btu (IT) |
| 10 ft⋅lbf | 0.012851 Btu (IT) |
| 25 ft⋅lbf | 0.032127 Btu (IT) |
| 50 ft⋅lbf | 0.064253 Btu (IT) |
| 100 ft⋅lbf | 0.128507 Btu (IT) |
| 0 ft⋅lbf | 0E+0 Btu (IT) |
| -10 ft⋅lbf | -0.012851 Btu (IT) |
| -40 ft⋅lbf | -0.051403 Btu (IT) |
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