Thermochemical calories to Kilojoules
Convert thermochemical calories to kilojoules (cal to kJ). 1 cal = 0.004184 kJ. Use the calculator, formula and conversion table.
How to convert thermochemical calories to kilojoules
Multiply the amount in thermochemical calories by 0.004184 to get kilojoules. The displayed factor and results are rounded to 12 significant digits.
kJ = cal × 0.004184Worked example
1 cal = 0.004184 kJ. Change the amount in the calculator above to use your own value.
Units and assumptions
A watt-hour is 3,600 joules. Calories use the thermochemical definition (4.184 J); BTU uses the International Table definition.
Calculator results use floating-point arithmetic and are rounded for display. The reference table below uses up to 12 significant digits.
Thermochemical calories to Kilojoules table
| Thermochemical calories (cal) | Kilojoules (kJ) |
|---|---|
| 0 | 0 |
| 1 | 0.004184 |
| 5 | 0.02092 |
| 10 | 0.04184 |
| 25 | 0.1046 |
| 100 | 0.4184 |
| 1,000 | 4.184 |
About this conversion
What is the formula for thermochemical calories to kilojoules?
kJ = cal × 0.004184. Multiply the amount in thermochemical calories by 0.004184 to get kilojoules. The displayed factor and results are rounded to 12 significant digits.
How do I convert back to thermochemical calories?
Use the kilojoules to thermochemical calories calculator to reverse this conversion. You can also use Swap units in the calculator above.
Can I use a different pair of units?
Choose another unit in the calculator, or open the energy converter to browse all supported pairs.