How Many Foot-Pounds in a BTU?

Quick Answer
1 BTU = 778.171 Foot-Pounds

1 BTU = 778.171 ft·lb

Formula

ft·lb = BTU × 778.171

Conversion Table

BTUs (BTU)Foot-Pounds (ft·lb)
1 BTU778.171 ft·lb
2 BTU1,556.34 ft·lb
5 BTU3,890.86 ft·lb
10 BTU7,781.71 ft·lb
20 BTU15,563.4 ft·lb
50 BTU38,908.6 ft·lb
100 BTU77,817.1 ft·lb
500 BTU389,086 ft·lb
1,000 BTU778,171 ft·lb

Worked Examples

Convert 5 BTU to ft·lb:
5 BTU × 778.171 = 3,890.86 ft·lb
Convert 10 BTU to ft·lb:
10 BTU × 778.171 = 7,781.71 ft·lb
Convert 50 BTU to ft·lb:
50 BTU × 778.171 = 38,908.6 ft·lb

FAQ

How many Foot-Pounds are in 1 BTU?
There are 778.171 Foot-Pounds in 1 BTU. Formula: ft·lb = BTU × 778.171.
How to convert BTUs to Foot-Pounds?
To convert BTUs to Foot-Pounds, multiply the number of BTUs by 778.171. For example, 10 BTU = 7,781.71 ft·lb.
How many Foot-Pounds are in 100 BTUs?
There are 77,817.1 Foot-Pounds in 100 BTUs. Calculation: 100 × 778.171 = 77,817.1.