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
≈ Rounded to 12 s.f. 1 J ≈ 0.239 005 736 138 cal
As a fraction: 125/523
1 J = 0.239005736138 cal

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.

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