Convert calorie (thermochemical)s to gigajoules
1 cal = 0.000000004184 GJ — 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 4.184e-15
- Terajoules TJ 4.184e-12
- Gigajoules GJ 4.184e-9
- Megajoules MJ 0.000 004 184
- Kilojoules kJ 0.004 184
- Joules J 4.184
- Millijoules mJ 4184
- Microjoules µJ 4 184 000
- Nanojoules nJ 4 184 000 000
- Watt-hours Wh 0.001 162 222 222 22
- Kilowatt-hours kWh 0.000 001 162 222 222 22
- Megawatt-hours MWh 1.16222222222e-9
- Gigawatt-hours GWh 1.16222222222e-12
- Terawatt-hours TWh 1.16222222222e-15
- Calorie (thermochemical)s cal 1
- Kilocalories kcal 0.001
- Calorie (IT)s cal (IT) 0.999 331 231 489
- Kilocalorie (IT)s kcal (IT) 0.000 999 331 231 489
- British thermal units BTU 0.003 965 666 831 39
- BTU (thermochemical)s BTU (th) 0.003 968 321 714 8
- Million BTUs MMBTU 3.96566683139e-9
- Therm (US)s thm 3.96661370264e-8
- Therm (EC)s thm (EC) 3.96566627743e-8
- Electronvolts eV 2.61144739675e+19
- Kiloelectronvolts keV 2.61144739675e+16
- Megaelectronvolts MeV 26 114 473 967 500
- Gigaelectronvolts GeV 26 114 473 967.5
- Teraelectronvolts TeV 26 114 473.9675
- Ergs erg 41 840 000
- Foot-pounds ft·lbf 3.085 960 032 58
- Inch-pounds in·lbf 37.031 520 390 9
- Foot-poundals ft·pdl 99.287 827 931 3
- Horsepower-hours hp·h 0.000 001 558 565 673 02
- Tonne of TNTs t TNT 1e-9
- Kiloton of TNTs kt TNT 1e-12
- Megaton of TNTs Mt TNT 1e-15
- Hartrees Eₕ 9.59689217281e+17
- Rydbergs Ry 1.91937843456e+18
- Quads quad 3.96566683139e-18
Every row is Calorie (thermochemical) (cal) converted through the joule, in exact rational arithmetic.
How to convert calorie (thermochemical)s to gigajoules
Multiply the number of calorie (thermochemical)s by 0.000000004184 to get gigajoules.
The exact factor is 0.000000004184 — as a fraction, 523/125000000000.
Calorie (thermochemical): Exactly 4.184 J. The "small" calorie.
Calorie (thermochemical) to Gigajoule conversion table
| Calorie (thermochemical)s (cal) | Gigajoules (GJ) |
|---|---|
| 1 cal | 4.184e-9 |
| 2 cal | 8.368e-9 |
| 3 cal | 1.2552e-8 |
| 5 cal | 2.092e-8 |
| 10 cal | 4.184e-8 |
| 20 cal | 8.368e-8 |
| 25 cal | 0.000 000 104 6 |
| 50 cal | 0.000 000 209 2 |
| 100 cal | 0.000 000 418 4 |
| 250 cal | 0.000 001 046 |
| 500 cal | 0.000 002 092 |
| 1000 cal | 0.000 004 184 |
Gigajoule to Calorie (thermochemical) conversion table
| Gigajoules (GJ) | Calorie (thermochemical)s (cal) |
|---|---|
| 1 GJ | 239 005 740 |
| 2 GJ | 478 011 470 |
| 3 GJ | 717 017 210 |
| 5 GJ | 1 195 028 700 |
| 10 GJ | 2 390 057 400 |
| 20 GJ | 4 780 114 700 |
| 25 GJ | 5 975 143 400 |
| 50 GJ | 11 950 287 000 |
| 100 GJ | 23 900 574 000 |
| 250 GJ | 59 751 434 000 |
| 500 GJ | 119 502 870 000 |
| 1000 GJ | 239 005 740 000 |
Frequently asked
How many gigajoules are in a calorie (thermochemical)?
One calorie (thermochemical) equals 4.184e-9 gigajoules (cal → GJ). That figure is exact, not rounded.
How do you convert calorie (thermochemical)s to gigajoules?
Multiply the number of calorie (thermochemical)s by 0.000000004184 to get gigajoules.
What is 1 GJ in calorie (thermochemical)s?
One gigajoule is 239005736.1 calorie (thermochemical)s.
What is 10 cal in GJ?
10 cal = 4.184e-8 GJ.
What exactly is a calorie (thermochemical)?
Exactly 4.184 J. The "small" calorie.