Kilocalorie (kcal) to Joule (J)
1 kcal = 4,184 J · Free instant converter, no signup required.
Direct Answer
1 kcal = 4,184 J
Formula: J = kcal × 4,184. This page supports instant conversion, reference table checks, and related unit links.
About this conversion
This Koverts page converts Kilocalorie (kcal) to Joule (J). It uses the same rules as our Energy Converter — reliable Energy conversions, free and instant.
Kilocalorie (kcal) and Joule (J) are units used in Energy Converter. Enter a value above to convert Kilocalorie (kcal) into Joule (J) using the standard relationship for this category.
Joule (J) is the target unit on this page. Results come from Kilocalorie (kcal) using the same rules as the calculator and the reference table below.
Typical uses
- Compare Kilocalorie (kcal) and Joule (J) 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 kcal = 4,184 J
- 10 kcal = 41,840 J
- 100 kcal = 418,400 J
Tip: 1 kcal equals 4,184 J. Multiply your amount by 4,184 to convert from kcal to J.
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.
// kilocalorie Conversion table joule
| Kilocalorie (kcal) (kcal) | Joule (J) (J) |
|---|---|
| 1 kcal | 4,184 J |
| 2 kcal | 8,368 J |
| 5 kcal | 20,920 J |
| 10 kcal | 41,840 J |
| 20 kcal | 83,680 J |
| 25 kcal | 104,600 J |
| 50 kcal | 209,200 J |
| 100 kcal | 418,400 J |
| 250 kcal | 1,046,000 J |
| 500 kcal | 2,092,000 J |
| 1000 kcal | 4,184,000 J |
How to convert
Kilocalorie (kcal) → Joule (J)
To convert from Kilocalorie (kcal) (kcal) to Joule (J) (J),multiply your value by 4,184.
For example,10 kcal = 41,840 J.
// Frequently Asked Questions
How accurate is this converter?▼
Can I convert other units in this category?▼
What is 1 kcal in J?▼
How is the conversion calculated?▼
Can I convert other values?▼
// Related conversions