100 BTU to kilojoules
100 BTU = 105.51 kJ. Change the amount below, or read the formula and the reference table further down.
100 BTU equals
kilojoules
1 BTU = 1.055056 kJ
The formula
BTU and kilojoules both measure energy from the same zero, so a single multiplier does the job.
kJ = BTU × 1.05505585
Going the other way? Convert kilojoules to BTU.
BTU to kilojoules table
Values either side of 100 BTU.
| BTU (BTU) | Kilojoules (kJ) |
|---|---|
| 0 | 0 |
| 10 | 10.5506 |
| 20 | 21.1011 |
| 30 | 31.6517 |
| 40 | 42.2022 |
| 50 | 52.7528 |
| 60 | 63.3034 |
| 70 | 73.8539 |
| 80 | 84.4045 |
| 90 | 94.955 |
| 100 | 105.51 |
| 110 | 116.06 |
| 120 | 126.61 |
| 130 | 137.16 |
| 140 | 147.71 |
| 150 | 158.26 |
| 160 | 168.81 |
| 170 | 179.36 |
| 180 | 189.91 |
| 190 | 200.46 |
| 200 | 211.01 |
Questions people ask
- How many kilojoules are in a BTU?
- One BTU equals 1.05505585 kilojoules.
- How do I convert BTU to kilojoules by hand?
- Multiply the number of BTU by 1.05505585. For a rough check, 1.1 is close enough for most everyday use.
- What is 100 BTU in kilojoules?
- 100 BTU is 105.51 kilojoules.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.