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How many ft-lbf in 1 Btu?
The answer is 778.169297212.
We assume you are converting between foot-pound force and British thermal unit.
You can view more details on each measurement unit:
ft-lbf or Btu
The SI derived unit for energy is the joule.
1 joule is equal to 0.737562149277 ft-lbf, or 0.000947817077749 Btu.
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between foot pounds and Btus.
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You can do the reverse unit conversion from Btu to ft-lbf, or enter any two units below:
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In physics, a foot-pound force (symbol ft·lbf or ft·lbf), usually abbreviated to foot-pound, is an Imperial and U.S. customary unit of mechanical work, or energy, although in scientific fields one commonly uses the equivalent metric unit of the joule (J). There are approximately 1.356 J/ft·lbf, or exactly 1.355 817 948 331 400 4 J/ft·lbf.
The British thermal unit (BTU or Btu) is a non-metric unit of energy, used in the United States and, to a lesser extent, the UK (where it isgenerally only used for heating systems). The SI unit is the joule (J), which is used by most other countries.
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