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Calories to Joules Converter

Convert calories to joules instantly. Free cal to J converter with formula, examples, and conversion table.

4.184J
1 calorie = 4.184 joules

Quick Reference

1 cal4.184 J
2 cal8.368 J
5 cal20.92 J
10 cal41.84 J
20 cal83.68 J
50 cal209.2 J
100 cal418.4 J
200 cal836.8 J
500 cal2,092 J
1000 cal4,184 J

Calories to Joules — Common Conversions

Calories (cal)Joules (J)
14.184
1041.84
100418.4
5002092
10004184
20008368

Formula: 1 calorie = 4.184 joules

Frequently Asked Questions

How do I convert Calories to Joules?

Use the formula: 1 calorie = 4.184 joules. Enter a value in the converter above for instant results.

How is cal to J used in daily life?

Energy conversions between Calories and Joules help compare food calories, electricity usage, fuel efficiency, and exercise energy expenditure across different measurement systems.

What's the difference between energy and power?

Energy (joules, calories, kWh) measures the total work done, while power (watts) measures the rate of energy use. This converter focuses on energy unit conversions.

Can I convert Joules back to Calories?

Absolutely! The converter works both ways. Enter a value in either field and the other updates automatically.

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