1 BTU to foot-pounds
1 BTU = 778.17 ft·lb. Change the amount below, or read the formula and the reference table further down.
1 BTU equals
foot-pounds
1 BTU = 778.17 ft·lb
The formula
BTU and foot-pounds both measure energy from the same zero, so a single multiplier does the job.
ft·lb = BTU × 778.17
Going the other way? Convert foot-pounds to BTU.
BTU to foot-pounds table
Values either side of 1 BTU.
| BTU (BTU) | Foot-pounds (ft·lb) |
|---|---|
| -4 | -3,112.68 |
| -3.5 | -2,723.59 |
| -3 | -2,334.51 |
| -2.5 | -1,945.42 |
| -2 | -1,556.34 |
| -1.5 | -1,167.25 |
| -1 | -778.17 |
| -0.5 | -389.08 |
| 0 | 0 |
| 0.5 | 389.08 |
| 1 | 778.17 |
| 1.5 | 1,167.25 |
| 2 | 1,556.34 |
| 2.5 | 1,945.42 |
| 3 | 2,334.51 |
| 3.5 | 2,723.59 |
| 4 | 3,112.68 |
| 4.5 | 3,501.76 |
| 5 | 3,890.85 |
| 5.5 | 4,279.93 |
| 6 | 4,669.02 |
Questions people ask
- How many foot-pounds are in a BTU?
- One BTU equals 778.17 foot-pounds.
- How do I convert BTU to foot-pounds by hand?
- Multiply the number of BTU by 778.17. For a rough check, 778.17 is close enough for most everyday use.
- What is 1 BTU in foot-pounds?
- 1 BTU is 778.17 foot-pounds.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.