1 cal = 4.184 J

Convert cal to J

Convert cal directly to J. This page uses a fixed relationship between the two units and performs the calculation instantly in your browser.

Energy

cal → J

⇄ Reverse
1 cal = 4.184 J
Scientific precisionJ = cal × 4.184
How to convert

How to convert: cal → J

Convert cal directly to J. This page uses a fixed relationship between the two units and performs the calculation instantly in your browser.

J = cal × 4.184

cal and J measure the same quantity: energy. Converting between them makes it easier to compare a measurement or use it in another unit system.

Worked examples

Worked examples

10 cal → 41.84 J

cal and J measure the same quantity: energy. Converting between them makes it easier to compare a measurement or use it in another unit system.

50 cal → 209.2 J

cal and J measure the same quantity: energy. Converting between them makes it easier to compare a measurement or use it in another unit system.

100 cal → 418.4 J

cal and J measure the same quantity: energy. Converting between them makes it easier to compare a measurement or use it in another unit system.

Conversion table

Conversion table

calJ
1 cal4.184 J
5 cal20.92 J
10 cal41.84 J
20 cal83.68 J
50 cal209.2 J
100 cal418.4 J
Mendeleev

Why this conversion is useful

This conversion belongs to a set of tools focused on units that are genuinely used in science, engineering and everyday life. Beyond the numerical answer, the aim is to understand what the quantity represents, where each unit is common and how to avoid order-of-magnitude mistakes.