Joule to BTU Calculator

Convert joules to British thermal units using the International Table BTU convention, with formula, worked examples and validation guidance.

Embed

Put this Joule to BTU Calculator on your website

Free to embed. Customise the colours and styling to match your brand — no coding required.

  • Free
  • Customisable
  • Takes < 1 minute

This calculator has not yet been enriched with detailed documentation.