Convert BTU to Kilojoule
1.05506
≈ 1 1/16 kJ
1 BTU = 1.05506 kJ
Use the conversion factor 1 BTU = 1.05506 kJ. To convert BTU to Kilojoule, multiply the input value by 1.05506.
Conversion Formula
kJ = BTU × 1.05506
Reverse: BTU = kJ × 0.947813
Conversion Examples
1 BTU × 1.05506 =
1.05506 kJ
1 BTUs = 1.05506 Kilojoules
5 BTU × 1.05506 =
5.2753 kJ
5 BTUs = 5.2753 Kilojoules
10 BTU × 1.05506 =
10.5506 kJ
10 BTUs = 10.5506 Kilojoules
25 BTU × 1.05506 =
26.3765 kJ
25 BTUs = 26.3765 Kilojoules
50 BTU × 1.05506 =
52.753 kJ
50 BTUs = 52.753 Kilojoules
100 BTU × 1.05506 =
105.506 kJ
100 BTUs = 105.506 Kilojoules
BTU to Kilojoule Table
BTU =—kJ
| BTU (BTU) | Kilojoule (kJ) | Fraction |
|---|---|---|
| 1 | 1.0551 | 1 1/16 |
| 2 | 2.1101 | 2 7/64 |
| 3 | 3.1652 | 3 11/64 |
| 4 | 4.2202 | 4 7/32 |
| 5 | 5.2753 | 5 9/32 |
| 6 | 6.3304 | 6 21/64 |
| 7 | 7.3854 | 7 25/64 |
| 8 | 8.4405 | 8 7/16 |
| 9 | 9.4955 | 9 1/2 |
| 10 | 10.5506 | 10 35/64 |
| 11 | 11.6057 | 11 39/64 |
| 12 | 12.6607 | 12 21/32 |
| 13 | 13.7158 | 13 23/32 |
| 14 | 14.7708 | 14 49/64 |
| 15 | 15.8259 | 15 53/64 |
| 16 | 16.881 | 16 7/8 |
| 17 | 17.936 | 17 15/16 |
| 18 | 18.9911 | 18 63/64 |
| 19 | 20.0461 | 20 3/64 |
| 20 | 21.1012 | 21 3/32 |
Unit Definitions
What is a BTU (BTU)?
ImperialUnited States
BTU (BTU) is one of the two units used in this conversion. Open its dedicated unit page for the reviewed definition and references.
Learn more about BTUWhat is a Kilojoule (kJ)?
Metric (SI)Worldwide
Kilojoule (kJ) is one of the two units used in this conversion. Open its dedicated unit page for the reviewed definition and references.
Learn more about KilojouleFrequently Asked Questions
How do I convert BTU to Kilojoule?
Multiply the value in BTU by 1.05506. The formula is kJ = BTU × 1.05506.
How many Kilojoule are in 1 BTU?
One BTU equals 1.05506 kJ.
What is 10 BTU in kJ?
10 BTU equals 10.5506 kJ.
How do I convert Kilojoule back to BTU?
Use the reverse factor: 1 kJ = 0.9478133945 BTU.