Convert BTUs to kilojoules
Instantly convert BTUs to kilojoules using our free online calculator. See the formula and a full reference table below.
kilojoules
1 BTU = 1.0551 kilojoules
Formula:
BTUs × 1.0551 = kilojoulesBTU → Kilojoule reference table
| BTUs | kilojoules |
|---|---|
| 1 BTU | 1.0551 kilojoules |
| 2 BTUs | 2.1101 kilojoules |
| 5 BTUs | 5.2753 kilojoules |
| 10 BTUs | 10.5506 kilojoules |
| 25 BTUs | 26.3765 kilojoules |
| 50 BTUs | 52.753 kilojoules |
| 100 BTUs | 105.506 kilojoules |
| 250 BTUs | 263.765 kilojoules |
| 500 BTUs | 527.53 kilojoules |
| 1000 BTUs | 1055.06 kilojoules |
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Frequently asked questions
How many kilojoules are in 1 BTU?
1 BTU equals 1.0551 kilojoules.
What is the formula to convert BTUs to kilojoules?
Multiply the number of BTUs by 1.0551 to get the equivalent in kilojoules.
Is this converter accurate?
Yes. All conversions use internationally recognized conversion factors with up to 6 decimal places of precision.