2 calories to joules
2 cal = 8.368 J. Change the amount below, or read the formula and the reference table further down.
2 calories equals
joules
1 cal = 4.184 J
The formula
Calories and joules both measure energy from the same zero, so a single multiplier does the job.
J = cal × 4.184
Going the other way? Convert joules to calories.
Calories to joules table
Values either side of 2 cal.
| Calories (cal) | Joules (J) |
|---|---|
| -3 | -12.552 |
| -2.5 | -10.46 |
| -2 | -8.368 |
| -1.5 | -6.276 |
| -1 | -4.184 |
| -0.5 | -2.092 |
| 0 | 0 |
| 0.5 | 2.092 |
| 1 | 4.184 |
| 1.5 | 6.276 |
| 2 | 8.368 |
| 2.5 | 10.46 |
| 3 | 12.552 |
| 3.5 | 14.644 |
| 4 | 16.736 |
| 4.5 | 18.828 |
| 5 | 20.92 |
| 5.5 | 23.012 |
| 6 | 25.104 |
| 6.5 | 27.196 |
| 7 | 29.288 |
Questions people ask
- How many joules are in a calorie?
- One calorie equals 4.184 joules.
- How do I convert calories to joules by hand?
- Multiply the number of calories by 4.184. For a rough check, 4.2 is close enough for most everyday use.
- What is 2 calories in joules?
- 2 calories is 8.368 joules.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.