100 kilocalories to joules
100 kcal = 418,400 J. Change the amount below, or read the formula and the reference table further down.
100 kilocalories equals
joules
1 kcal = 4,184 J
The formula
Kilocalories and joules both measure energy from the same zero, so a single multiplier does the job.
J = kcal × 4,184
Going the other way? Convert joules to kilocalories.
Kilocalories to joules table
Values either side of 100 kcal.
| Kilocalories (kcal) | Joules (J) |
|---|---|
| 0 | 0 |
| 10 | 41,840 |
| 20 | 83,680 |
| 30 | 125,520 |
| 40 | 167,360 |
| 50 | 209,200 |
| 60 | 251,040 |
| 70 | 292,880 |
| 80 | 334,720 |
| 90 | 376,560 |
| 100 | 418,400 |
| 110 | 460,240 |
| 120 | 502,080 |
| 130 | 543,920 |
| 140 | 585,760 |
| 150 | 627,600 |
| 160 | 669,440 |
| 170 | 711,280 |
| 180 | 753,120 |
| 190 | 794,960 |
| 200 | 836,800 |
Questions people ask
- How many joules are in a kilocalorie?
- One kilocalorie equals 4,184 joules.
- How do I convert kilocalories to joules by hand?
- Multiply the number of kilocalories by 4,184. For a rough check, 4,184 is close enough for most everyday use.
- What is 100 kilocalories in joules?
- 100 kilocalories is 418,400 joules.
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