Convert Joules to Calories

Enter your joule value in the form below to get the value calculated in calories.

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1 J = 0.239006 cal

How to Convert Joules to Calories

Convert joules to calories with this simple formula:

calories = joules × 0.239006

Converting a joule energy measurement to a calorie measurement involves multiplying the energy by the conversion ratio to find the result. One joule is equal to 0.239006 calories, so to convert simply multiply by 0.239006.

For example:
5 J = (5 × 0.239006) = 1.195029 cal

Joules and calories are both units used to measure energy. Learn more about energy and find more energy measurement conversion calculators. Joules are an SI derived unit of energy and can be abbreviated as J, for example 1 J. Calories are an energy measurement and can be abbreviated as cal, for example 1 cal.

Convert Calories to Joules

Joule Measurements and Equivalent Calorie Conversions

Common joule values converted to the equivalent calorie value
Joules Calories
1 J 0.239006 cal
2 J 0.478011 cal
3 J 0.717017 cal
4 J 0.956023 cal
5 J 1.195 cal
6 J 1.434 cal
7 J 1.673 cal
8 J 1.912 cal
9 J 2.1511 cal
10 J 2.3901 cal
11 J 2.6291 cal
12 J 2.8681 cal
13 J 3.1071 cal
14 J 3.3461 cal
15 J 3.5851 cal
16 J 3.8241 cal
17 J 4.0631 cal
18 J 4.3021 cal
19 J 4.5411 cal
20 J 4.7801 cal
21 J 5.0191 cal
22 J 5.2581 cal
23 J 5.4971 cal
24 J 5.7361 cal
25 J 5.9751 cal
26 J 6.2141 cal
27 J 6.4532 cal
28 J 6.6922 cal
29 J 6.9312 cal
30 J 7.1702 cal
31 J 7.4092 cal
32 J 7.6482 cal
33 J 7.8872 cal
34 J 8.1262 cal
35 J 8.3652 cal
36 J 8.6042 cal
37 J 8.8432 cal
38 J 9.0822 cal
39 J 9.3212 cal
40 J 9.5602 cal

More Joule Energy Conversions

Joules
Convert to Kilojoules
1 J is equal to 0.001 kilojoules
Convert to Megajoules
1 J is equal to 1.0E-6 megajoules
Convert to Gigajoules
1 J is equal to 1.0E-9 gigajoules
Calories
Convert to Kilocalories
1 J is equal to 0.000239 kilocalories
Convert to Megacalories
1 J is equal to 2.3901E-7 megacalories
Watts x Time
Convert to Watt-hours
1 J is equal to 0.000278 watt-hours
Convert to Kilowatt-hours
1 J is equal to 2.7778E-7 kilowatt-hours
Convert to Megawatt-hours
1 J is equal to 2.7778E-10 megawatt-hours
Convert to Watt-seconds
1 J is equal to 1 watt-seconds
Thermal Units
Convert to British Thermal Units
1 J is equal to 0.000948 british thermal units
Convert to Million BTU
1 J is equal to 9.4782E-10 million BTU
Convert to Therms
1 J is equal to 9.4782E-9 therms
Convert to Quads
1 J is equal to 9.4782E-19 quads
Electronvolts
Convert to Electronvolts
1 J is equal to 6,241,500,000,000,000,000 electronvolts
Convert to Kiloelectronvolts
1 J is equal to 6,241,500,000,000,000 kiloelectronvolts
Convert to Megaelectronvolts
1 J is equal to 6,241,509,343,260.2 megaelectronvolts