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foot-pound force |
to |
British thermal unit Btu [thermochemical] |

How many ft-lbf in 1 Btu?
The answer is 778.16929721166.

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 0.73756214927727 ft-lbf, or 0.00094781707774915 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.

Type in your own numbers in the form to convert the units!

You can do the reverse unit conversion from Btu to ft-lbf, or enter any two units below:

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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