How to Convert calories to Joules
To convert calories to Joules, multiply the value by 4.184.
The Formula
Joules = calories × 4.184
Key Fact
1 Calorie = 4.184 Joules
Tip: To convert Joules back to calories, divide by 4.184.
Calories to Joules
Convert calories (cal) to Joules (J) with formulas, examples, and conversion tables.
cal
J
1 calories (cal) = 4.184 Joules (J)
Round to:
Step-by-Step Solution
1Write the conversion factor:
1 Calorie = 4.184 Joules
2Multiply the value by the conversion factor:
1 × 4.184 = 4.184
3Result:
1 calories (cal) = 4.184 Joules (J)
calories to Joules Table
| calories | Joules |
|---|---|
| 1 cal | 4.184 J |
| 2 cal | 8.368 J |
| 5 cal | 20.92 J |
| 10 cal | 41.84 J |
| 20 cal | 83.68 J |
| 25 cal | 104.6 J |
| 50 cal | 209.2 J |
| 100 cal | 418.4 J |
| 250 cal | 1046 J |
| 500 cal | 2092 J |
| 1000 cal | 4184 J |
1 Calorie in Other Units
| Unit | 1 cal = |
|---|---|
| Calories to Joules | 4.184 J |
| Calories to Kilojoules | 0.004184 kJ |
| Calories to Megajoules | 4.184e-6 MJ |
| Calories to Gigajoules | 4.184e-9 GJ |
| Calories to Watt-hours | 0.00116222222222 Wh |
| Calories to Kilowatt-hours | 1.16222222222e-6 kWh |
| Calories to Megawatt-hours | 1.16222222222e-9 MWh |
| Calories to Kilocalories | 0.001 kcal |
| Calories to BTU | 0.00396565124258 BTU |
| Calories to Therms | 3.96566683147e-8 therm |
| Calories to Foot-pounds | 3.08595536281 ft·lb |
| Calories to Electronvolts | 2.6114419104e19 eV |
| Calories to Ergs | 41840000 erg |