Calorie (cal) to Kilojoule (kJ)
1 cal = 0.004184 kJ · Free instant converter, no signup required.
Direct Answer
1 cal = 0.004184 kJ
Formula: kJ = cal × 0.004184. This page supports instant conversion, reference table checks, and related unit links.
About this conversion
This Koverts page converts Calorie (cal) to Kilojoule (kJ). It uses the same rules as our Energy Converter — reliable Energy conversions, free and instant.
Calorie (cal) and Kilojoule (kJ) are units used in Energy Converter. Enter a value above to convert Calorie (cal) into Kilojoule (kJ) using the standard relationship for this category.
Kilojoule (kJ) is the target unit on this page. Results come from Calorie (cal) using the same rules as the calculator and the reference table below.
Typical uses
- Compare Calorie (cal) and Kilojoule (kJ) for everyday estimates and planning
- Use with homework, DIY projects, and hobby measurements
- Read international labels, manuals, and product specs with less guesswork
- Educational reference only — verify medical, legal, or engineering use with authoritative sources
Common reference values
- 1 cal = 0.004184 kJ
- 10 cal = 0.04184 kJ
- 100 cal = 0.4184 kJ
Tip: 1 cal equals 0.004184 kJ. Multiply your amount by 0.004184 to convert from cal to kJ.
Did you know? Koverts keeps conversion math transparent: you see the factor, the table, and the same rules everywhere on the page.
Educational reference — always verify critical measurements (medical, engineering, legal) with primary sources.
// calorie Conversion table kilojoule
| Calorie (cal) (cal) | Kilojoule (kJ) (kJ) |
|---|---|
| 1 cal | 0.004184 kJ |
| 2 cal | 0.008368 kJ |
| 5 cal | 0.02092 kJ |
| 10 cal | 0.04184 kJ |
| 20 cal | 0.08368 kJ |
| 25 cal | 0.1046 kJ |
| 50 cal | 0.2092 kJ |
| 100 cal | 0.4184 kJ |
| 250 cal | 1.046 kJ |
| 500 cal | 2.092 kJ |
| 1000 cal | 4.184 kJ |
How to convert
Calorie (cal) → Kilojoule (kJ)
To convert from Calorie (cal) (cal) to Kilojoule (kJ) (kJ)，multiply your value by 0.004184.
For example，10 cal = 0.04184 kJ.
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