100 joules to kilocalories
100 J = 0.02390057 kcal. Change the amount below, or read the formula and the reference table further down.
100 joules equals
kilocalories
1 J = 0.00023901 kcal
The formula
Joules and kilocalories both measure energy from the same zero, so a single multiplier does the job.
kcal = J × 0.0002390057
Going the other way? Convert kilocalories to joules.
Joules to kilocalories table
Values either side of 100 J.
| Joules (J) | Kilocalories (kcal) |
|---|---|
| 0 | 0 |
| 10 | 0.00239 |
| 20 | 0.00478 |
| 30 | 0.00717 |
| 40 | 0.00956 |
| 50 | 0.01195 |
| 60 | 0.01434 |
| 70 | 0.01673 |
| 80 | 0.01912 |
| 90 | 0.021511 |
| 100 | 0.023901 |
| 110 | 0.026291 |
| 120 | 0.028681 |
| 130 | 0.031071 |
| 140 | 0.033461 |
| 150 | 0.035851 |
| 160 | 0.038241 |
| 170 | 0.040631 |
| 180 | 0.043021 |
| 190 | 0.045411 |
| 200 | 0.047801 |
Questions people ask
- How many kilocalories are in a joule?
- One joule equals 0.0002390057 kilocalories.
- How do I convert joules to kilocalories by hand?
- Multiply the number of joules by 0.0002390057. For a rough check, 0 is close enough for most everyday use.
- What is 100 joules in kilocalories?
- 100 joules is 0.02390057 kilocalories.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.