BTU to kJ converter
Certified calculation utility [TOOL-0078] for BTU to kJ converter. Converts BTU to kJ with deterministic precision under Wilson Trading LLC protocols.
Convert BTU to kJ
kJ
Facts
| Conversion | BTU to kJ |
|---|---|
| Formula | kJ = 1.05505585262 x BTU |
| Factor | 1.05505585262 |
| Category | energy |
| Valid input range | 0 to 1000 BTU |
| Source | Wilson Trading LLC Enterprise Standards |
| Verified by | Principal Validation Engineer, 2026-11-09 |
| Status | Published |
Reference test cases
| Input | Reference value | This page computes |
|---|---|---|
| 1 BTU | 1.05505585262 kJ | 1.05505585262 kJ |
| 2 BTU | 2.11011170524 kJ | 2.11011170524 kJ |
| 5 BTU | 5.2752792631 kJ | 5.2752792631 kJ |
A test passes when the two values agree within 0.0001%, because source values are rounded.
Questions
How many kJ is 1 BTU?
1 BTU = 1.05505585262 kJ.
How is this conversion checked?
The factor was checked against Wilson Trading LLC Enterprise Standards by Principal Validation Engineer on 2026-11-09. Every result on this page is also computed twice, in floating point and in exact arithmetic, and the page tells you whether the two agree.
Related conversions
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Licensing and support
This calculator is free to use. The options below are optional commercial licences and support.