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IT Calories to Joules Converter

cal IT → J: type a value and the result appears instantly.

1 cal IT = 4.1868 J
1 J = 0.2388458966 cal IT
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How to convert IT calories to joules

Use this formula:

J = cal IT × 4.1868

Examples

cal IT to J conversion chart

IT calories (cal IT)joules (J)
0.1 cal IT0.41868 J
0.25 cal IT1.0467 J
0.5 cal IT2.0934 J
1 cal IT4.1868 J
2 cal IT8.3736 J
3 cal IT12.5604 J
4 cal IT16.7472 J
5 cal IT20.934 J
6 cal IT25.1208 J
7 cal IT29.3076 J
8 cal IT33.4944 J
9 cal IT37.6812 J
10 cal IT41.868 J
12 cal IT50.2416 J
15 cal IT62.802 J
20 cal IT83.736 J
25 cal IT104.67 J
30 cal IT125.604 J
40 cal IT167.472 J
50 cal IT209.34 J
60 cal IT251.208 J
70 cal IT293.076 J
75 cal IT314.01 J
80 cal IT334.944 J
90 cal IT376.812 J
100 cal IT418.68 J
150 cal IT628.02 J
200 cal IT837.36 J
250 cal IT1,046.7 J
500 cal IT2,093.4 J
1,000 cal IT4,186.8 J

About the units

Calorie (IT) (cal IT) is a commonly used unit. 1 cal IT = 4.1868 J.

Joule (J) is a metric (SI) unit. 1 J = 0.2390057361 cal.

Frequently asked questions

How do I convert IT calories to joules?
Multiply the value in cal IT by 4.1868.
How many joules are in 1 calorie (IT)?
1 cal IT = 4.1868 J.
What is 12 cal IT in J?
12 cal IT = 50.2416 J.
How do I convert joules to IT calories?
Use the reverse converter: J → cal IT.

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Sources: NIST SP 811 · BIPM SI Brochure · NIST Handbook 44. Last reviewed: 2026-10 · FreeUnitConverters