Converters
12
British thermal units to Kilojoules Converter
Convert british thermal units to kilojoules instantly with the formula, worked examples, rounding guidance, and related energy conversions.
Units
85
Mode
Live
Pair-specific conversion guide
British thermal unit to Kilojoule formula
Use this British thermal unit to Kilojoule page for direct energy conversions. The calculator keeps the exact BTU to kJ relationship on the page, so the result, formula, and examples all describe this specific pair.
Formula model
1 BTU = 1.05505585262 kJ
1 British thermal unit equals
Quick factor: 1 BTU = 1.05505585262 kJ.
The current calculator value is 1 BTU, which equals 1.05505585262 kJ.
Use the conversion table to compare 1 BTU with the other units in the same category.
Energy units can describe electricity, heat, or nutrition, so retain the unit symbol with every result.
Precision and rounding
The calculation uses the catalog's fixed conversion factors between BTU and kJ. Full decimal precision is kept for the calculation; only the displayed value is rounded for readability.
Reference: NIST conversion factorsEnergy
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Kilojoules to British thermal units Converter
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Conversion table
1 British thermal unit equals
| Unit | Value |
|---|---|
| Joule J | 1055.05585262 |
| Kilojoule kJ | 1.05505585262 |
| Calorie cal | 252.164400722 |
| Kilocalorie kcal | 0.252164400722 |
| Watt-hour Wh | 0.293071070172 |
| Kilowatt-hour kWh | 0.000293071070172 |
FAQ
British thermal unit to Kilojoule questions
How do you convert British thermal unit to Kilojoule?
Use the formula 1 BTU = 1.05505585262 kJ. As a quick check, 1 BTU equals 1.05505585262 kJ.
Is the British thermal unit to Kilojoule conversion exact?
This page uses fixed constants from the Converter Science catalog. Displayed results are rounded only to keep the page readable.