Convert Foot-pound to British thermal unit (ft-lb to BTU)

1 ft-lb = 0.0012850675 BTU

How to convert foot-pounds to british thermal units

To convert foot-pounds to british thermal units, divide foot-pounds by 778.169262265965

To convert british thermal units to foot-pounds, multiply british thermal units by 778.169262265965

Common foot-pound to british thermal unit examples

Foot-pound (ft-lb) British thermal unit (BTU)
1 ft-lb 0.0012850675 BTU
10 ft-lb 0.0128506746 BTU
50 ft-lb 0.0642533732 BTU
100 ft-lb 0.1285067463 BTU
250 ft-lb 0.3212668659 BTU
500 ft-lb 0.6425337317 BTU
1,000 ft-lb 1.2850674635 BTU
10,000 ft-lb 12.8506746346 BTU
100,000 ft-lb 128.5067463457 BTU
1,000,000 ft-lb 1,285.0674634566 BTU

Frequently asked questions

How many british thermal units are in 100 foot-pounds?

100 ft-lb equals about 0.128507 BTU.

What is the foot-pounds to british thermal units formula?

Use british thermal units = foot-pounds × 0.001285067463. For reverse conversion, foot-pounds = british thermal units × 778.169262265965.

Can I convert british thermal units to foot-pounds too?

Yes. The calculator supports two-way conversion. Edit either field and the other updates instantly.

Is this conversion exact?

The converter uses fixed unit factors. Display values are rounded for readability.