BTU to Foot-pounds Converter
How to convert BTU to foot-pounds
foot-pounds = BTU × 778.169262
To convert BTU to foot-pounds, multiply the number of BTU by 778.169262.
1 BTU = 778.169262 ft·lbf
Examples
- 1,000 BTU × 778.169262 = 778,169.262 ft·lbf
- About one therm: 100,000 BTU × 778.169262 = 77,816,926.2 ft·lbf
Good to know
This is the International Table BTU, 1055.05585262 J. Other definitions exist, such as the thermochemical BTU (about 1054.35 J); they differ from it by up to about 0.5%.
This is the foot-pound as a unit of energy. The same name is commonly used for torque (properly the pound-foot, lbf·ft), which is a different quantity and converts to newton-meters, not joules.
BTU to foot-pounds conversion table
| BTU | Foot-pounds (ft·lbf) |
|---|---|
| 1 BTU | 778.169262 ft·lbf |
| 10 BTU | 7,781.69262 ft·lbf |
| 100 BTU | 77,816.9262 ft·lbf |
| 500 BTU | 389,084.631 ft·lbf |
| 1,000 BTU | 778,169.262 ft·lbf |
| 2,000 BTU | 1,556,338.52 ft·lbf |
| 5,000 BTU | 3,890,846.31 ft·lbf |
| 10,000 BTU | 7,781,692.62 ft·lbf |
| 12,000 BTU | 9,338,031.15 ft·lbf |
| 20,000 BTU | 15,563,385.2 ft·lbf |
| 50,000 BTU | 38,908,463.1 ft·lbf |
| 100,000 BTU | 77,816,926.2 ft·lbf |
| 500,000 BTU | 389,084,631 ft·lbf |
| 1,000,000 BTU | 778,169,262 ft·lbf |
Unit definitions
- BTU
- The British thermal unit is roughly the heat needed to raise one pound of water by one degree Fahrenheit. The International Table BTU is exactly 1055.05585262 joules, and it is used for heating and cooling in the United States.
- Foot-pound (ft·lbf)
- A foot-pound (foot-pound force) is the work done by a force of one pound-force over a distance of one foot, exactly 1.3558179483314004 joules. It is used in the United States for muzzle energy and mechanical work.