How to Convert Joules to calories
To convert Joules to calories, divide the value by 4.184.
The Formula
calories = Joules ÷ 4.184
Key Fact
1 Calorie = 4.184 Joules
Tip: To convert calories back to Joules, multiply by 4.184.
Joules to Calories
Convert Joules (J) to calories (cal) with formulas, examples, and conversion tables.
J
cal
1 Joules (J) = 0.239005736138 calories (cal)
Round to:
Step-by-Step Solution
1Write the conversion factor:
1 Calorie = 4.184 Joules
2Divide the value by the conversion factor:
1 ÷ 4.184 = 0.239005736138
3Result:
1 Joules (J) = 0.239005736138 calories (cal)
Joules to calories Table
| Joules | calories |
|---|---|
| 1 J | 0.239005736138 cal |
| 2 J | 0.478011472275 cal |
| 5 J | 1.19502868069 cal |
| 10 J | 2.39005736138 cal |
| 20 J | 4.78011472275 cal |
| 25 J | 5.97514340344 cal |
| 50 J | 11.9502868069 cal |
| 100 J | 23.9005736138 cal |
| 250 J | 59.7514340344 cal |
| 500 J | 119.502868069 cal |
| 1000 J | 239.005736138 cal |
1 Joule in Other Units
| Unit | 1 J = |
|---|---|
| Joules to Kilojoules | 0.001 kJ |
| Joules to Megajoules | 1e-6 MJ |
| Joules to Gigajoules | 1e-9 GJ |
| Joules to Watt-hours | 0.000277777777778 Wh |
| Joules to Kilowatt-hours | 2.77777777778e-7 kWh |
| Joules to Megawatt-hours | 2.77777777778e-10 MWh |
| Joules to Calories | 0.239005736138 cal |
| Joules to Kilocalories | 0.000239005736138 kcal |
| Joules to BTU | 0.000947813394499 BTU |
| Joules to Therms | 9.47817120331e-9 therm |
| Joules to Foot-pounds | 0.737561033175 ft·lb |
| Joules to Electronvolts | 6.24149596175e18 eV |
| Joules to Ergs | 10000000 erg |