Calories to Joules Converter

Calories (cal)	Joules (J)
1 cal	4.184 J
5 cal	20.92 J
10 cal	41.84 J
20 cal	83.68 J
50 cal	209.2 J
100 cal	418.4 J
200 cal	836.8 J
500 cal	2092 J
1000 cal	4184 J
2000 cal	8368 J
2500 cal	10460 J
3000 cal	12552 J
5000 cal	20920 J
10000 cal	41840 J

To convert calories to joules, use the formula: J = cal × 4.184

For example, to convert 20 cal to J: 20 cal = 83.68 J

💡 This calculator does the conversion instantly as you type. All calculations happen locally in your browser — no data is sent anywhere.