Foot-pounds to BTU Converter
Convert ft·lb to BTU instantly — and see every other energy unit at once.
1 ft·lb=0.001285 BTU
1 ft·lb in every unit
Joules
1.3558J
Kilojoules
0.001356kJ
Megajoules
1.3558e-6MJ
Watt-hours
3.7662e-4Wh
Kilowatt-hours
3.7662e-7kWh
Calories (small)
0.324049cal
Kilocalories (kcal)
3.2405e-4kcal
BTU
0.001285BTU
Electronvolts
8,462,362,833,335,392,000eV
Foot-poundsfrom
1ft·lb
Common Foot-pounds to BTU conversions
| Foot-pounds (ft·lb) | BTU (BTU) |
|---|---|
| 1 ft·lb | 0.00129 BTU |
| 2 ft·lb | 0.00257 BTU |
| 5 ft·lb | 0.00643 BTU |
| 10 ft·lb | 0.01285 BTU |
| 25 ft·lb | 0.03213 BTU |
| 50 ft·lb | 0.06425 BTU |
| 100 ft·lb | 0.12851 BTU |
| 250 ft·lb | 0.32127 BTU |
| 500 ft·lb | 0.64253 BTU |
| 1000 ft·lb | 1.28506 BTU |
The formula
Foot-pounds (ft·lb) — a unit of energy.
BTU (BTU) — a unit of energy.
Worked examples
1 ft·lb→0.00129 BTU
Apply Foot-pounds ÷ 778.171 with input = 1. Result: 0.00129 BTU.
5 ft·lb→0.00643 BTU
Apply Foot-pounds ÷ 778.171 with input = 5. Result: 0.00643 BTU.
10 ft·lb→0.01285 BTU
Apply Foot-pounds ÷ 778.171 with input = 10. Result: 0.01285 BTU.
FAQ
How do I convert Foot-pounds to BTU?
Use the formula: BTU = Foot-pounds ÷ 778.171. You can also use the converter above — type any value and the result updates instantly.
Where are Foot-pounds used?
Foot-pounds (ft·lb) — a unit of energy.
Where are BTU used?
BTU (BTU) — a unit of energy.
How do I convert BTU back to Foot-pounds?
Use the BTU to Foot-pounds converter.