Conversion reference
Formula: BTU = J x 0.0009478171.
Joules to British thermal units Converter
Convert Joules (J) to British thermal units (BTU). Change either field to update the other value instantly.
J and BTU converter
This page converts energy units directly in your browser.
J to BTU conversion table
| Joules | British thermal units |
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J to BTU formula
About J
Joules are used in energy conversions. Enter a J value above to calculate BTU instantly.
About BTU
British thermal units are the target unit on this page. The table below gives common reference values for quick comparison.
Convert other units to BTU
These pages use BTU as the target unit.