BTU to Joules Converter
Convert energy between BTU (International Table) and joules (J) using the exact factor 1 BTU = 1055.05585262 J.
Energy converter – BTU ↔ J
Approximate IT value: 1 BTU ≈ 1055.05585262 J.
BTU
J
Formula
J ≈ BTU × 1055.05585262
BTU ≈ J ÷ 1055.05585262
Formula (LaTeX) + variables + units
This section shows the formulas used by the calculator engine, plus variable definitions and units.
Formula (extracted LaTeX)
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Variables and units
- No variables provided in audit spec.
Sources (authoritative):
- NIST — Weights and measures — nist.gov · Accessed 2026-01-19
https://www.nist.gov/pml/weights-and-measures - NIST — SI units — nist.gov · Accessed 2026-01-19
https://www.nist.gov/pml/owm/metric-si/si-units
Changelog
Version: 0.1.0-draft
Last code update: 2026-01-19
Last code update: 2026-01-19
0.1.0-draft · 2026-01-19
- Initial audit spec draft generated from HTML extraction (review required).
- Verify formulas match the calculator engine and convert any text-only formulas to LaTeX.
- Confirm sources are authoritative and relevant to the calculator methodology.