Kilocalorie to Joule Converter
1 kcal = 4,184 J
Kilocalorie to Joule Table
| Kilocalorie (kcal) | Joule (J) |
|---|---|
| 0.01 | 41.84 |
| 0.1 | 418.4 |
| 1 | 4,184 |
| 2 | 8,368 |
| 5 | 20,920 |
| 10 | 41,840 |
| 20 | 83,680 |
| 50 | 209,200 |
| 100 | 418,400 |
| 500 | 2,092,000 |
| 1000 | 4,184,000 |
How to Convert Kilocalorie to Joule
To convert Kilocalorie (kcal) to Joule (J), use the formula: 1 kcal = 4,184 J.
For example, to convert 5 kcal to J: 5 kcal = 20,920 J. Similarly, 10 kcal = 41,840 J, 25 kcal = 104,600 J, and 100 kcal = 418,400 J.
To convert in the other direction, 1 J = 0.0002390057 kcal. Simply enter your value in either field above for instant bi-directional conversion.
What is a Kilocalorie?
A kilocalorie (kcal) equals 1,000 calories — commonly called a "Calorie" on food labels. Kilocalories are the standard unit for food energy in the US.
What is a Joule?
A joule (J) is the SI unit of energy — the work done by a force of one newton over one meter. Joules are used in physics and engineering for energy calculations.
Common Kilocalorie to Joule Conversions
Here are some frequently looked-up conversions between Kilocalorie and Joule:
- 1 kcal = 4,184 J
- 5 kcal = 20,920 J
- 10 kcal = 41,840 J
- 25 kcal = 104,600 J
- 100 kcal = 418,400 J