Convert british thermal units to foot-pounds
1 BTU = 778.169262266 ft·lbf — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
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Show this value in all 39 energy & work units
- Petajoules PJ 1.05505585262e-12
- Terajoules TJ 1.05505585262e-9
- Gigajoules GJ 0.000 001 055 055 852 62
- Megajoules MJ 0.001 055 055 852 62
- Kilojoules kJ 1.055 055 852 62
- Joules J 1055.055 852 62
- Millijoules mJ 1 055 055.852 62
- Microjoules µJ 1 055 055 852.62
- Nanojoules nJ 1 055 055 852 620
- Watt-hours Wh 0.293 071 070 172
- Kilowatt-hours kWh 0.000 293 071 070 172
- Megawatt-hours MWh 0.000 000 293 071 070 172
- Gigawatt-hours GWh 2.93071070172e-10
- Terawatt-hours TWh 2.93071070172e-13
- Calorie (thermochemical)s cal 252.164 400 722
- Kilocalories kcal 0.252 164 400 722
- Calorie (IT)s cal (IT) 251.995 761 111
- Kilocalorie (IT)s kcal (IT) 0.251 995 761 111
- British thermal units BTU 1
- BTU (thermochemical)s BTU (th) 1.000 669 467 08
- Million BTUs MMBTU 0.000 001
- Therm (US)s thm 0.000 010 002 387 672 2
- Therm (EC)s thm (EC) 0.000 009 999 998 603 11
- Electronvolts eV 6.58514067819e+21
- Kiloelectronvolts keV 6.58514067819e+18
- Megaelectronvolts MeV 6 585 140 678 190 000
- Gigaelectronvolts GeV 6 585 140 678 190
- Teraelectronvolts TeV 6 585 140 678.19
- Ergs erg 10 550 558 526.2
- Foot-pounds ft·lbf 778.169 262 266
- Inch-pounds in·lbf 9338.031 147 19
- Foot-poundals ft·pdl 25 036.855 629 3
- Horsepower-hours hp·h 0.000 393 014 778 922
- Tonne of TNTs t TNT 0.000 000 252 164 400 722
- Kiloton of TNTs kt TNT 2.52164400722e-10
- Megaton of TNTs Mt TNT 2.52164400722e-13
- Hartrees Eₕ 2.41999456355e+20
- Rydbergs Ry 4.8399891271e+20
- Quads quad 1e-15
Every row is British thermal unit (BTU) converted through the joule, in exact rational arithmetic.
How to convert british thermal units to foot-pounds
Multiply the number of british thermal units by 778.169262266 to get foot-pounds.
British thermal unit: International Table BTU, exactly 1055.055 852 62 J. HVAC capacity is quoted in BTU/h.
British thermal unit to Foot-pound conversion table
| British thermal units (BTU) | Foot-pounds (ft·lbf) |
|---|---|
| 1 BTU | 778.169 26 |
| 2 BTU | 1556.3385 |
| 3 BTU | 2334.5078 |
| 5 BTU | 3890.8463 |
| 10 BTU | 7781.6926 |
| 20 BTU | 15 563.385 |
| 25 BTU | 19 454.232 |
| 50 BTU | 38 908.463 |
| 100 BTU | 77 816.926 |
| 250 BTU | 194 542.32 |
| 500 BTU | 389 084.63 |
| 1000 BTU | 778 169.26 |
Foot-pound to British thermal unit conversion table
| Foot-pounds (ft·lbf) | British thermal units (BTU) |
|---|---|
| 1 ft·lbf | 0.001 285 067 5 |
| 2 ft·lbf | 0.002 570 134 9 |
| 3 ft·lbf | 0.003 855 202 4 |
| 5 ft·lbf | 0.006 425 337 3 |
| 10 ft·lbf | 0.012 850 675 |
| 20 ft·lbf | 0.025 701 349 |
| 25 ft·lbf | 0.032 126 687 |
| 50 ft·lbf | 0.064 253 373 |
| 100 ft·lbf | 0.128 506 75 |
| 250 ft·lbf | 0.321 266 87 |
| 500 ft·lbf | 0.642 533 73 |
| 1000 ft·lbf | 1.285 067 5 |
Frequently asked
How many foot-pounds are in a british thermal unit?
One british thermal unit equals 778.1692623 foot-pounds (BTU → ft·lbf). That figure is exact, not rounded.
How do you convert british thermal units to foot-pounds?
Multiply the number of british thermal units by 778.169262266 to get foot-pounds.
What is 1 ft·lbf in british thermal units?
One foot-pound is 0.001285067463 british thermal units.
What is 10 BTU in ft·lbf?
10 BTU = 7781.6926 ft·lbf.
What exactly is a british thermal unit?
International Table BTU, exactly 1055.055 852 62 J. HVAC capacity is quoted in BTU/h.