How many Foot-pound are in 1 British Thermal Unit?

One british thermal unit equals 778.171144 foot-pound.

Can I convert Foot-pound back to British Thermal Unit?

Yes. Enter a value in either field to convert from British Thermal Unit (BTU) to Foot-pound (ft·lb) or the reverse — results update instantly.

British Thermal Unit to Foot-pound Converter

BTU → ft·lb

Convert between joules, calories, BTU, kWh, and more energy units. Perfect for physics, nutrition, and electricity calculations.

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How to Convert British Thermal Unit to Foot-pound

Enter a value above, select your units, and get instant results. Works both ways — British Thermal Unit to Foot-pound or Foot-pound to British Thermal Unit.

Formula: Foot-pound = British Thermal Unit × 778.171144

Quick steps

Enter the value you want to convert in the "British Thermal Unit" field.
Select "British Thermal Unit" as your "From" unit.
Select "Foot-pound" as your "To" unit.
The converted result appears instantly in the "Foot-pound" field.
To reverse the conversion, enter a value in the "Foot-pound" field instead.

Common British Thermal Unit to Foot-pound Conversions

British Thermal Unit	Foot-pound
1	778.171144
5	3,890.855718
10	7,781.711437
25	19,454.278592
50	38,908.557183
100	77,817.114366

Frequently Asked Questions

Multiply your british thermal unit value by 778.171144. For example, 10 BTU = 7,781.711437 ft·lb.

Foot-pound to British Thermal Unit British Thermal Unit to Joule British Thermal Unit to Kilojoule British Thermal Unit to Calorie British Thermal Unit to Kilocalorie British Thermal Unit to Watt-hour British Thermal Unit to Kilowatt-hour British Thermal Unit to Foot-pound

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Convert British Thermal Unit to Foot-pound