Convert joules to calorie (thermochemical)s
1 J = 0.239005736138 cal — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
0.239 005 736 138cal
As a fraction: 125/523
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1 J = 0.239005736138 cal
Show this value in all 39 energy & work units
- Petajoules PJ 1e-15
- Terajoules TJ 1e-12
- Gigajoules GJ 1e-9
- Megajoules MJ 0.000 001
- Kilojoules kJ 0.001
- Joules J 1
- Millijoules mJ 1000
- Microjoules µJ 1 000 000
- Nanojoules nJ 1 000 000 000
- Watt-hours Wh 0.000 277 777 777 778
- Kilowatt-hours kWh 0.000 000 277 777 777 778
- Megawatt-hours MWh 2.77777777778e-10
- Gigawatt-hours GWh 2.77777777778e-13
- Terawatt-hours TWh 2.77777777778e-16
- Calorie (thermochemical)s cal 0.239 005 736 138
- Kilocalories kcal 0.000 239 005 736 138
- Calorie (IT)s cal (IT) 0.238 845 896 627
- Kilocalorie (IT)s kcal (IT) 0.000 238 845 896 627
- British thermal units BTU 0.000 947 817 120 313
- BTU (thermochemical)s BTU (th) 0.000 948 451 652 677
- Million BTUs MMBTU 9.47817120313e-10
- Therm (US)s thm 9.48043427973e-9
- Therm (EC)s thm (EC) 9.47816987913e-9
- Electronvolts eV 6.24150907446e+18
- Kiloelectronvolts keV 6 241 509 074 460 000
- Megaelectronvolts MeV 6 241 509 074 460
- Gigaelectronvolts GeV 6 241 509 074.46
- Teraelectronvolts TeV 6 241 509.074 46
- Ergs erg 10 000 000
- Foot-pounds ft·lbf 0.737 562 149 277
- Inch-pounds in·lbf 8.850 745 791 33
- Foot-poundals ft·pdl 23.730 360 404 2
- Horsepower-hours hp·h 0.000 000 372 506 135 999
- Tonne of TNTs t TNT 2.39005736138e-10
- Kiloton of TNTs kt TNT 2.39005736138e-13
- Megaton of TNTs Mt TNT 2.39005736138e-16
- Hartrees Eₕ 2.2937122784e+17
- Rydbergs Ry 4.58742455679e+17
- Quads quad 9.47817120313e-19
Every row is Joule (J) converted through the joule, in exact rational arithmetic.
How to convert joules to calorie (thermochemical)s
Multiply the number of joules by 0.239005736138 to get calorie (thermochemical)s.
Calorie (thermochemical): Exactly 4.184 J. The "small" calorie.
Joule to Calorie (thermochemical) conversion table
| Joules (J) | Calorie (thermochemical)s (cal) |
|---|---|
| 1 J | 0.239 005 74 |
| 2 J | 0.478 011 47 |
| 3 J | 0.717 017 21 |
| 5 J | 1.195 028 7 |
| 10 J | 2.390 057 4 |
| 20 J | 4.780 114 7 |
| 25 J | 5.975 143 4 |
| 50 J | 11.950 287 |
| 100 J | 23.900 574 |
| 250 J | 59.751 434 |
| 500 J | 119.502 87 |
| 1000 J | 239.005 74 |
Calorie (thermochemical) to Joule conversion table
| Calorie (thermochemical)s (cal) | Joules (J) |
|---|---|
| 1 cal | 4.184 |
| 2 cal | 8.368 |
| 3 cal | 12.552 |
| 5 cal | 20.92 |
| 10 cal | 41.84 |
| 20 cal | 83.68 |
| 25 cal | 104.6 |
| 50 cal | 209.2 |
| 100 cal | 418.4 |
| 250 cal | 1046 |
| 500 cal | 2092 |
| 1000 cal | 4184 |
Frequently asked
How many calorie (thermochemical)s are in a joule?
One joule equals 0.2390057361 calorie (thermochemical)s (J → cal). That figure is exact, not rounded.
How do you convert joules to calorie (thermochemical)s?
Multiply the number of joules by 0.239005736138 to get calorie (thermochemical)s.
What is 1 cal in joules?
One calorie (thermochemical) is 4.184 joules.
What is 10 J in cal?
10 J = 2.390 057 4 cal.
What exactly is a calorie (thermochemical)?
Exactly 4.184 J. The "small" calorie.