Convert calorie (thermochemical)s to joules
1 cal = 4.184 J — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
4.184J
As a fraction: 523/125
1 cal = 4.184 J
How to convert calorie (thermochemical)s to joules
Multiply the number of calorie (thermochemical)s by 4.184 to get joules.
The exact factor is 4.184 — as a fraction, 523/125.
Calorie (thermochemical): Exactly 4.184 J. The "small" calorie.
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 |
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 |
Frequently asked
How many joules are in a calorie (thermochemical)?
One calorie (thermochemical) equals 4.184 joules (cal → J). That figure is exact, not rounded.
How do you convert calorie (thermochemical)s to joules?
Multiply the number of calorie (thermochemical)s by 4.184 to get joules.
What is 1 J in calorie (thermochemical)s?
One joule is 0.2390057361 calorie (thermochemical)s.
What is 10 cal in J?
10 cal = 41.84 J.
What exactly is a calorie (thermochemical)?
Exactly 4.184 J. The "small" calorie.