Convert foot pounds to BTU
foot-pounds to British thermal units. Enter a value to convert, or use the foot pounds to BTU chart further down the page.
1 foot-pound equals 0.00128507 British thermal units. Going the other way, 1 British thermal unit = 778.169 foot-pounds.
How to convert foot pounds to BTU
To convert foot-pounds to British thermal units, multiply the foot-pound value by 0.001285067463. You can also divide by 778.1692623 to get the same answer.
BTU = ft·lb × 0.001285067463
Worked example
Convert 15 ft·lb to British thermal units:
15 ft·lb = 0.019276 BTU
foot pounds to BTU conversion chart
Use this foot pounds to BTU table for quick reference without typing anything.
| foot-pounds (ft·lb) | British thermal units (BTU) |
|---|---|
| 0.01 ft·lb | 0.0000128507 BTU |
| 0.1 ft·lb | 0.000128507 BTU |
| 1 ft·lb | 0.00128507 BTU |
| 2 ft·lb | 0.00257013 BTU |
| 3 ft·lb | 0.0038552 BTU |
| 5 ft·lb | 0.00642534 BTU |
| 10 ft·lb | 0.0128507 BTU |
| 20 ft·lb | 0.0257013 BTU |
| 50 ft·lb | 0.0642534 BTU |
| 100 ft·lb | 0.128507 BTU |
| 1,000 ft·lb | 1.28507 BTU |
What is a foot-pound?
A foot-pound is the work done moving one pound-force through one foot: about 1.356 joules. The same name is also used for torque, where the newton-metre is the metric equivalent.
What is a British thermal unit?
The BTU is the energy needed to raise one pound of water by one degree Fahrenheit — about 1,055 joules. It rates heating and air-conditioning equipment in the US.
Frequently asked questions
How many BTU are in a foot-pound?
1 foot pounds equals 0.00128507 BTU. Going the other way, 1 BTU is 778.169 foot pounds.
How do you convert foot pounds to BTU?
To convert foot-pounds to British thermal units, multiply the foot-pound value by 0.001285067463. You can also divide by 778.1692623 to get the same answer.
What is 10 foot pounds in BTU?
10 foot pounds equals 0.0128507 BTU. The conversion chart on this page lists the other values people look up most often.
Related energy conversions
Convert foot pounds to other units
- BTU to foot pounds
- foot pounds to joules
- foot pounds to kilojoules
- foot pounds to calories
- foot pounds to kilocalories
- foot pounds to kWh
- foot pounds to Wh
Convert other units to BTU
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