Convert megajoules to calorie (thermochemical)s

1 MJ = 239005.736138 cal — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.

239 005.736 138cal
≈ Rounded to 12 s.f. 1 MJ ≈ 239 005.736 138 cal
As a fraction: 125000000/523
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1 MJ = 239005.736138 cal
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 calorie (thermochemical)s

Multiply the number of megajoules by 239005.736138 to get calorie (thermochemical)s.

Calorie (thermochemical): Exactly 4.184 J. The "small" calorie.

Megajoule to Calorie (thermochemical) conversion table

Megajoules (MJ) Calorie (thermochemical)s (cal)
1 MJ 239 005.74
2 MJ 478 011.47
3 MJ 717 017.21
5 MJ 1 195 028.7
10 MJ 2 390 057.4
20 MJ 4 780 114.7
25 MJ 5 975 143.4
50 MJ 11 950 287
100 MJ 23 900 574
250 MJ 59 751 434
500 MJ 119 502 870
1000 MJ 239 005 740

Calorie (thermochemical) to Megajoule conversion table

Calorie (thermochemical)s (cal) Megajoules (MJ)
1 cal 0.000 004 184
2 cal 0.000 008 368
3 cal 0.000 012 552
5 cal 0.000 020 92
10 cal 0.000 041 84
20 cal 0.000 083 68
25 cal 0.000 104 6
50 cal 0.000 209 2
100 cal 0.000 418 4
250 cal 0.001 046
500 cal 0.002 092
1000 cal 0.004 184

Frequently asked

How many calorie (thermochemical)s are in a megajoule?

One megajoule equals 239005.7361 calorie (thermochemical)s (MJ → cal). That figure is exact, not rounded.

How do you convert megajoules to calorie (thermochemical)s?

Multiply the number of megajoules by 239005.736138 to get calorie (thermochemical)s.

What is 1 cal in megajoules?

One calorie (thermochemical) is 0.000004184 megajoules.

What is 10 MJ in cal?

10 MJ = 2 390 057.4 cal.

What exactly is a calorie (thermochemical)?

Exactly 4.184 J. The "small" calorie.

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