Convert kilojoules to british thermal units
1 kJ = 0.947817120313 BTU — 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 1e-12
- Terajoules TJ 1e-9
- Gigajoules GJ 0.000 001
- Megajoules MJ 0.001
- Kilojoules kJ 1
- Joules J 1000
- Millijoules mJ 1 000 000
- Microjoules µJ 1 000 000 000
- Nanojoules nJ 1 000 000 000 000
- Watt-hours Wh 0.277 777 777 778
- Kilowatt-hours kWh 0.000 277 777 777 778
- Megawatt-hours MWh 0.000 000 277 777 777 778
- Gigawatt-hours GWh 2.77777777778e-10
- Terawatt-hours TWh 2.77777777778e-13
- Calorie (thermochemical)s cal 239.005 736 138
- Kilocalories kcal 0.239 005 736 138
- Calorie (IT)s cal (IT) 238.845 896 627
- Kilocalorie (IT)s kcal (IT) 0.238 845 896 627
- British thermal units BTU 0.947 817 120 313
- BTU (thermochemical)s BTU (th) 0.948 451 652 677
- Million BTUs MMBTU 0.000 000 947 817 120 313
- Therm (US)s thm 0.000 009 480 434 279 73
- Therm (EC)s thm (EC) 0.000 009 478 169 879 13
- Electronvolts eV 6.24150907446e+21
- Kiloelectronvolts keV 6.24150907446e+18
- Megaelectronvolts MeV 6 241 509 074 460 000
- Gigaelectronvolts GeV 6 241 509 074 460
- Teraelectronvolts TeV 6 241 509 074.46
- Ergs erg 10 000 000 000
- Foot-pounds ft·lbf 737.562 149 277
- Inch-pounds in·lbf 8850.745 791 33
- Foot-poundals ft·pdl 23 730.360 404 2
- Horsepower-hours hp·h 0.000 372 506 135 999
- Tonne of TNTs t TNT 0.000 000 239 005 736 138
- Kiloton of TNTs kt TNT 2.39005736138e-10
- Megaton of TNTs Mt TNT 2.39005736138e-13
- Hartrees Eₕ 2.2937122784e+20
- Rydbergs Ry 4.58742455679e+20
- Quads quad 9.47817120313e-16
Every row is Kilojoule (kJ) converted through the joule, in exact rational arithmetic.
How to convert kilojoules to british thermal units
Multiply the number of kilojoules by 0.947817120313 to get british thermal units.
British thermal unit: International Table BTU, exactly 1055.055 852 62 J. HVAC capacity is quoted in BTU/h.
Kilojoule to British thermal unit conversion table
| Kilojoules (kJ) | British thermal units (BTU) |
|---|---|
| 1 kJ | 0.947 817 12 |
| 2 kJ | 1.895 634 2 |
| 3 kJ | 2.843 451 4 |
| 5 kJ | 4.739 085 6 |
| 10 kJ | 9.478 171 2 |
| 20 kJ | 18.956 342 |
| 25 kJ | 23.695 428 |
| 50 kJ | 47.390 856 |
| 100 kJ | 94.781 712 |
| 250 kJ | 236.954 28 |
| 500 kJ | 473.908 56 |
| 1000 kJ | 947.817 12 |
British thermal unit to Kilojoule conversion table
| British thermal units (BTU) | Kilojoules (kJ) |
|---|---|
| 1 BTU | 1.055 055 9 |
| 2 BTU | 2.110 111 7 |
| 3 BTU | 3.165 167 6 |
| 5 BTU | 5.275 279 3 |
| 10 BTU | 10.550 559 |
| 20 BTU | 21.101 117 |
| 25 BTU | 26.376 396 |
| 50 BTU | 52.752 793 |
| 100 BTU | 105.505 59 |
| 250 BTU | 263.763 96 |
| 500 BTU | 527.527 93 |
| 1000 BTU | 1055.0559 |
Frequently asked
How many british thermal units are in a kilojoule?
One kilojoule equals 0.9478171203 british thermal units (kJ → BTU). That figure is exact, not rounded.
How do you convert kilojoules to british thermal units?
Multiply the number of kilojoules by 0.947817120313 to get british thermal units.
What is 1 BTU in kilojoules?
One british thermal unit is 1.055055853 kilojoules.
What is 10 kJ in BTU?
10 kJ = 9.478 171 2 BTU.
What exactly is a british thermal unit?
International Table BTU, exactly 1055.055 852 62 J. HVAC capacity is quoted in BTU/h.