Convert megajoules to british thermal units
1 MJ = 947.817120313 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-9
- Terajoules TJ 0.000 001
- Gigajoules GJ 0.001
- Megajoules MJ 1
- Kilojoules kJ 1000
- Joules J 1 000 000
- Millijoules mJ 1 000 000 000
- Microjoules µJ 1 000 000 000 000
- Nanojoules nJ 1 000 000 000 000 000
- Watt-hours Wh 277.777 777 778
- Kilowatt-hours kWh 0.277 777 777 778
- Megawatt-hours MWh 0.000 277 777 777 778
- Gigawatt-hours GWh 0.000 000 277 777 777 778
- Terawatt-hours TWh 2.77777777778e-10
- Calorie (thermochemical)s cal 239 005.736 138
- Kilocalories kcal 239.005 736 138
- Calorie (IT)s cal (IT) 238 845.896 627
- Kilocalorie (IT)s kcal (IT) 238.845 896 627
- British thermal units BTU 947.817 120 313
- BTU (thermochemical)s BTU (th) 948.451 652 677
- Million BTUs MMBTU 0.000 947 817 120 313
- Therm (US)s thm 0.009 480 434 279 73
- Therm (EC)s thm (EC) 0.009 478 169 879 13
- Electronvolts eV 6.24150907446e+24
- Kiloelectronvolts keV 6.24150907446e+21
- Megaelectronvolts MeV 6.24150907446e+18
- Gigaelectronvolts GeV 6 241 509 074 460 000
- Teraelectronvolts TeV 6 241 509 074 460
- Ergs erg 10 000 000 000 000
- Foot-pounds ft·lbf 737 562.149 277
- Inch-pounds in·lbf 8 850 745.791 33
- Foot-poundals ft·pdl 23 730 360.4042
- Horsepower-hours hp·h 0.372 506 135 999
- Tonne of TNTs t TNT 0.000 239 005 736 138
- Kiloton of TNTs kt TNT 0.000 000 239 005 736 138
- Megaton of TNTs Mt TNT 2.39005736138e-10
- Hartrees Eₕ 2.2937122784e+23
- Rydbergs Ry 4.58742455679e+23
- Quads quad 9.47817120313e-13
Every row is Megajoule (MJ) converted through the joule, in exact rational arithmetic.
How to convert megajoules to british thermal units
Multiply the number of megajoules by 947.817120313 to get british thermal units.
British thermal unit: International Table BTU, exactly 1055.055 852 62 J. HVAC capacity is quoted in BTU/h.
Megajoule to British thermal unit conversion table
| Megajoules (MJ) | British thermal units (BTU) |
|---|---|
| 1 MJ | 947.817 12 |
| 2 MJ | 1895.6342 |
| 3 MJ | 2843.4514 |
| 5 MJ | 4739.0856 |
| 10 MJ | 9478.1712 |
| 20 MJ | 18 956.342 |
| 25 MJ | 23 695.428 |
| 50 MJ | 47 390.856 |
| 100 MJ | 94 781.712 |
| 250 MJ | 236 954.28 |
| 500 MJ | 473 908.56 |
| 1000 MJ | 947 817.12 |
British thermal unit to Megajoule conversion table
| British thermal units (BTU) | Megajoules (MJ) |
|---|---|
| 1 BTU | 0.001 055 055 9 |
| 2 BTU | 0.002 110 111 7 |
| 3 BTU | 0.003 165 167 6 |
| 5 BTU | 0.005 275 279 3 |
| 10 BTU | 0.010 550 559 |
| 20 BTU | 0.021 101 117 |
| 25 BTU | 0.026 376 396 |
| 50 BTU | 0.052 752 793 |
| 100 BTU | 0.105 505 59 |
| 250 BTU | 0.263 763 96 |
| 500 BTU | 0.527 527 93 |
| 1000 BTU | 1.055 055 9 |
Frequently asked
How many british thermal units are in a megajoule?
One megajoule equals 947.8171203 british thermal units (MJ → BTU). That figure is exact, not rounded.
How do you convert megajoules to british thermal units?
Multiply the number of megajoules by 947.817120313 to get british thermal units.
What is 1 BTU in megajoules?
One british thermal unit is 0.001055055853 megajoules.
What is 10 MJ in BTU?
10 MJ = 9478.1712 BTU.
What exactly is a british thermal unit?
International Table BTU, exactly 1055.055 852 62 J. HVAC capacity is quoted in BTU/h.