Advertisement
Advertisement

joules to calories | Exact Decimal + Formula

1 Joule = 0.239006 Calorie

Conversions between Joule (J) and Calorie (cal) are essential in the energy category. This tool provides a quick, free, and accurate way to convert joules to calories for academic, professional, or personal calculations. Check the detailed conversion table and formula explanation below for more context.

Energy Converter

Tab Switch fieldsS SwapC Copy

Formula

cal = J × 0.239005736

To convert Joule to Calorie, use the formula displayed above.

Pinned Favorites

No pinned converters yet. Click the star button to pin common pairs.

Recent History

Conversions you copy will be recorded here.

Joule to Calorie: Quick Reference Table

Joule Calorie (Decimal) Fraction
0.001 J 0.000239 cal -
0.01 J 0.00239 cal -
0.1 J 0.023901 cal -
0.5 J 0.119503 cal -
1 J 0.239006 cal -
2 J 0.478011 cal -
5 J 1.195029 cal -
10 J 2.390057 cal -
25 J 5.975143 cal -
50 J 11.950287 cal -
100 J 23.900574 cal -
250 J 59.751434 cal -
500 J 119.502868 cal -
1000 J 239.005736 cal -

J to cal Formula and Examples

Direct Formula cal = J × 0.239005736
Inverse Formula J = cal × 4.184
Mental Math Shortcut

Divide the value by roughly 4.2 to quickly estimate the converted result.

Common Joule to Calorie Calculations

  • 5 J = 1.195029 cal
  • 10 J = 2.390057 cal
  • 50 J = 11.950287 cal
  • 100 J = 23.900574 cal
  • 500 J = 119.502868 cal

How to Convert Joule to Calorie

How many calories are in a joule?
1 Joule (J) is equal to 0.239006 Calorie (cal). To convert joules to calories, multiply your value by 0.239006.
How do I convert joule to calorie?
To convert Joule to Calorie, use the formula: Calorie = Joule × 0.239006. For example, 5 J = 1.195029 cal.
What is the formula for J to cal?
The formula is: cal = J × 0.239006. This is based on the exact SI conversion factor. Use our calculator above to convert any value instantly.