joules to calories converter
1 joule equals 0.23900574 calories. Conversions use cal = J × 0.239006
J → 0.23900574 cal
cal = J × 0.239006
Converter
Worked examples
- 1 J = 0.23900574 cal
- 2 J = 0.47801147 cal
- 5 J = 1.195029 cal
- 10 J = 2.390057 cal
- 100 J = 23.900574 cal
joules to calories conversion table
| J | cal | Arithmetic |
|---|---|---|
| 1 J | 0.23900574 cal | × 0.239006 |
| 2 J | 0.47801147 cal | × 0.239006 |
| 3 J | 0.71701721 cal | × 0.239006 |
| 4 J | 0.95602294 cal | × 0.239006 |
| 5 J | 1.195029 cal | × 0.239006 |
| 6 J | 1.434034 cal | × 0.239006 |
| 8 J | 1.912046 cal | × 0.239006 |
| 10 J | 2.390057 cal | × 0.239006 |
| 12 J | 2.868069 cal | × 0.239006 |
| 15 J | 3.585086 cal | × 0.239006 |
| 20 J | 4.780115 cal | × 0.239006 |
| 25 J | 5.975143 cal | × 0.239006 |
| 30 J | 7.170172 cal | × 0.239006 |
| 40 J | 9.560229 cal | × 0.239006 |
| 50 J | 11.950287 cal | × 0.239006 |
| 60 J | 14.340344 cal | × 0.239006 |
| 70 J | 16.730402 cal | × 0.239006 |
| 80 J | 19.120459 cal | × 0.239006 |
| 90 J | 21.510516 cal | × 0.239006 |
| 100 J | 23.900574 cal | × 0.239006 |
How to convert J to cal
- Take your value in joules.
- Multiply by 0.239006
- That is your answer in calories — no rounding needed until you choose a display precision.
Related conversions
cal to JJ to kJJ to kcalJ to WhJ to kWhJ to BtukJ to calcal to kJcal to kcalall energy units
Questions
How many calories in 1 joule?
Exactly 0.23900574 cal. The factor follows from the definitions of both units, not from a measurement, so it is exact.
How do I convert J to cal?
Multiply the joules figure by 0.239006 — or use the converter above, which updates as you type.
Is J to cal the same as cal to J?
No — they are inverses. One J is 0.23900574 cal, while one cal is 4.184 J.
What is 1 J in cal?
1 J = 0.23900574 cal (see the value page for the full arithmetic).