Energy Converter

Calories to Joules Converter (cal to J)

Convert calories to joules with J = cal * 4.184. Copy results and compare examples for nutrition, batteries, appliances, HVAC references, and physics work.

1 cal = 4.184 J

From (cal)

To (J)

1 cal = 4.184 J

How this conversion works

Formula: 1 cal = 4.184 J

To convert cal to J, substitute your cal value into value * 4.184. The converter evaluates that expression and reports the result in J.

5 cal=5 * 4.184=20.92 J

Accuracy and rounding

Energy conversions use fixed relationships between joules, watt-hours, calories, BTU, and kilowatt-hours. Displayed results are rounded to 6 decimal places for readability.

Energy constants use 1 Wh = 3600 J, 1 kWh = 1000 Wh, 1 calorie = 4.184 J, and 1 BTU = 1055.05585262 J.

Quick facts

1 cal equals 4.184 J.
Formula: J = cal * 4.184.
Results are rounded to 6 decimal places for readability.
Common searches include cal to J, calories to joules, and cal in J.

Common uses

Also searched as

Common Conversions

cal	J
1 cal	4.184 J
5 cal	20.92 J
10 cal	41.84 J
25 cal	104.6 J
50 cal	209.2 J
100 cal	418.4 J
250 cal	1046 J
500 cal	2092 J

Frequently Asked Questions

How do I convert cal to J?

Use the formula J = cal * 4.184. Enter a cal value and the converter will calculate the J result.

What is 1 cal in J?

1 cal equals 4.184 J.

What formula does this cal to J converter use?

The converter uses J = cal * 4.184.

When is cal to J conversion useful?

Common uses include nutrition labels, battery and appliance ratings, HVAC energy estimates, and physics and engineering calculations.

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