Convert Kilocalorie to Joule
4,184
1 kcal = 4,184 J
Use the conversion factor 1 kcal = 4184 J. To convert Kilocalorie to Joule, multiply the input value by 4184.
Conversion Formula
J = kcal × 4184
Reverse: kcal = J × 2.3901e-4
Conversion Examples
1 kcal × 4,184 =
4,184 J
1 Kilocalories = 4,184 Joules
5 kcal × 4,184 =
20,920 J
5 Kilocalories = 20,920 Joules
10 kcal × 4,184 =
41,840 J
10 Kilocalories = 41,840 Joules
25 kcal × 4,184 =
104,600 J
25 Kilocalories = 104,600 Joules
50 kcal × 4,184 =
209,200 J
50 Kilocalories = 209,200 Joules
100 kcal × 4,184 =
418,400 J
100 Kilocalories = 418,400 Joules
Kilocalorie to Joule Table
kcal =—J
| Kilocalorie (kcal) | Joule (J) | Fraction |
|---|---|---|
| 1 | 4,184 | — |
| 2 | 8,368 | — |
| 3 | 12,552 | — |
| 4 | 16,736 | — |
| 5 | 20,920 | — |
| 6 | 25,104 | — |
| 7 | 29,288 | — |
| 8 | 33,472 | — |
| 9 | 37,656 | — |
| 10 | 41,840 | — |
| 11 | 46,024 | — |
| 12 | 50,208 | — |
| 13 | 54,392 | — |
| 14 | 58,576 | — |
| 15 | 62,760 | — |
| 16 | 66,944 | — |
| 17 | 71,128 | — |
| 18 | 75,312 | — |
| 19 | 79,496 | — |
| 20 | 83,680 | — |
Unit Definitions
What is a Kilocalorie (kcal)?
Metric (SI)Worldwide
Kilocalorie (kcal) is one of the two units used in this conversion. Open its dedicated unit page for the reviewed definition and references.
Learn more about KilocalorieWhat is a Joule (J)?
Metric (SI)Worldwide
Joule (J) is one of the two units used in this conversion. Open its dedicated unit page for the reviewed definition and references.
Learn more about JouleFrequently Asked Questions
How do I convert Kilocalorie to Joule?
Multiply the value in kcal by 4184. The formula is J = kcal × 4184.
How many Joule are in 1 Kilocalorie?
One Kilocalorie equals 4184 J.
What is 1 kcal in J?
1 kcal equals 4184 J.
How do I convert Joule back to Kilocalorie?
Use the reverse factor: 1 J = 0.0002390057361 kcal.