100% Free — no sign-up, no limits Files processed in memory, never stored 184+ PDF, image, Office, developer & unit tools

Joules to Calories Converter

Convert Joules to Calories instantly: 1 joule = 0.2388458966 calories (IT). Free joules to calories converter with formula, chart and examples.

1 joule = 0.2388458966 calories (IT)

All conversions

UnitSymbolValue

How to Convert Joules to Calories

The formula is calories (IT) = joules × 0.2388458966. 1 joule = 0.2388458966 calories (IT). Type any value in the converter above for an instant answer, or use the chart below for the most common values.

This page is preset for joule to calorie (IT) conversions, but you can switch either list to any of the 54 units in the Energy Converter.

Joules to Calories conversion chart

JoulesCalories
0.1 J0.02388459 cal
0.25 J0.059711474 cal
0.5 J0.11942295 cal
1 J0.2388459 cal
2 J0.47769179 cal
3 J0.71653769 cal
4 J0.95538359 cal
5 J1.1942295 cal
6 J1.4330754 cal
7 J1.6719213 cal
8 J1.9107672 cal
9 J2.1496131 cal
10 J2.388459 cal
11 J2.6273049 cal
12 J2.8661508 cal
13 J3.1049967 cal
14 J3.3438426 cal
15 J3.5826884 cal
16 J3.8215343 cal
17 J4.0603802 cal
18 J4.2992261 cal
19 J4.538072 cal
20 J4.7769179 cal
25 J5.9711474 cal
30 J7.1653769 cal
40 J9.5538359 cal
50 J11.942295 cal
60 J14.330754 cal
70 J16.719213 cal
75 J17.913442 cal
80 J19.107672 cal
90 J21.496131 cal
100 J23.88459 cal
150 J35.826884 cal
200 J47.769179 cal
250 J59.711474 cal
500 J119.42295 cal
1,000 J238.8459 cal

Common Joules to Calories conversions

  • 1 joule = 0.2388458966 calories (IT)

Popular energy converters

Kcal to kJkJ to KcalkWh to BTU

How to Use the Joules to Calories Converter

  1. Type a value in the From box and choose its unit.
  2. Pick the unit you want in the To list — the result updates as you type.
  3. Use the swap button to reverse the conversion, or type in the To box to convert backwards.
  4. Check the All conversions table to see your value in every unit; click a row to make it the target.

Frequently Asked Questions

How many calories (IT) are in a joule?

There are 0.2388458966 calories (IT) in 1 joule. Going the other way, 1 calorie (IT) = 4.1868 joules.

How do I convert Joules to Calories?

Use the formula calories (IT) = joules × 0.2388458966. For example, 1 joule = 0.2388458966 calories (IT). Or type the value in the converter above and the answer appears as you type.

What is the Joules to Calories formula?

calories (IT) = joules × 0.2388458966 — the conversion factor is exact to the digits shown, using the international definitions of both units.

What is 2 Joules in Calories?

2 Joules = 0.47769179 Calories.

What is 5 Joules in Calories?

5 Joules = 1.1942295 Calories.

What is 10 Joules in Calories?

10 Joules = 2.388459 Calories.

What is 25 Joules in Calories?

25 Joules = 5.9711474 Calories.

What is 100 Joules in Calories?

100 Joules = 23.88459 Calories.

Is this Joules to Calories converter accurate?

Yes. It uses exact unit definitions and double-precision maths, and you can show up to 15 significant digits. The table below is calculated with the same formula.

Can I convert Joules to other energy units?

Yes — pick any unit in the From and To lists above, or open the full Energy Converter, which handles 54 energy units.

Is the Joules to Calories converter free?

Yes, it is free with no sign-up, and every conversion runs in your browser so nothing is sent to a server.