Foot-Pounds to BTU Converter

Enter a value in foot-pounds (ft·lb) to convert it to BTUs (BTU). You can also switch either unit to any other energy unit.

How to convert foot-pounds to BTUs

One foot-pound is equal to 0.00128507 BTUs. To convert foot-pounds to BTUs, divide the foot-pound value by 778.16926227.

BTU = ft·lb ÷ 778.16926227

Example

Convert 5 foot-pounds to BTUs:

BTU = 5 ÷ 778.16926227 = 0.00642534 BTU

Foot-Pounds to BTU conversion table

Foot-Pounds (ft·lb)BTU (BTU)
0.01 ft·lb0.000013 BTU
0.1 ft·lb0.000129 BTU
0.25 ft·lb0.000321 BTU
0.5 ft·lb0.000643 BTU
1 ft·lb0.001285 BTU
2 ft·lb0.00257 BTU
3 ft·lb0.003855 BTU
4 ft·lb0.00514 BTU
5 ft·lb0.006425 BTU
6 ft·lb0.00771 BTU
7 ft·lb0.008995 BTU
8 ft·lb0.010281 BTU
9 ft·lb0.011566 BTU
10 ft·lb0.012851 BTU
12 ft·lb0.015421 BTU
15 ft·lb0.019276 BTU
20 ft·lb0.025701 BTU
25 ft·lb0.032127 BTU
30 ft·lb0.038552 BTU
40 ft·lb0.051403 BTU
50 ft·lb0.064253 BTU
75 ft·lb0.09638 BTU
100 ft·lb0.128507 BTU
250 ft·lb0.321267 BTU
500 ft·lb0.642534 BTU
1,000 ft·lb1.285067 BTU

About the units

The foot-pound (symbol ft·lb) is a unit of energy equal to 1.35581795 joules.

The BTU (symbol BTU) is a unit of energy equal to 1,055.05585262 joules.