100 BTU to kilocalories
100 BTU = 25.21644 kcal. Change the amount below, or read the formula and the reference table further down.
100 BTU equals
kilocalories
1 BTU = 0.2521644 kcal
The formula
BTU and kilocalories both measure energy from the same zero, so a single multiplier does the job.
kcal = BTU × 0.2521644007
Going the other way? Convert kilocalories to BTU.
BTU to kilocalories table
Values either side of 100 BTU.
| BTU (BTU) | Kilocalories (kcal) |
|---|---|
| 0 | 0 |
| 10 | 2.5216 |
| 20 | 5.0433 |
| 30 | 7.5649 |
| 40 | 10.0866 |
| 50 | 12.6082 |
| 60 | 15.1299 |
| 70 | 17.6515 |
| 80 | 20.1732 |
| 90 | 22.6948 |
| 100 | 25.2164 |
| 110 | 27.7381 |
| 120 | 30.2597 |
| 130 | 32.7814 |
| 140 | 35.303 |
| 150 | 37.8247 |
| 160 | 40.3463 |
| 170 | 42.8679 |
| 180 | 45.3896 |
| 190 | 47.9112 |
| 200 | 50.4329 |
Questions people ask
- How many kilocalories are in a BTU?
- One BTU equals 0.2521644007 kilocalories.
- How do I convert BTU to kilocalories by hand?
- Multiply the number of BTU by 0.2521644007. For a rough check, 0.252 is close enough for most everyday use.
- What is 100 BTU in kilocalories?
- 100 BTU is 25.21644 kilocalories.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.