calorie

https://doi.org/10.1351/goldbook.C00784
Non-SI unit of energy. There are three differently defined calories: thermochemical calorie (calth=4.184 J), international steam table calorie (calIT=4.1868 J), 15 ⚬C calorie (cal15=4.1855 J), however only the symbol cal is usually used.
Sources:
Green Book, 2nd ed., p. 112 [Terms] [Book]
PAC, 1996, 68, 957. (Glossary of terms in quantities and units in Clinical Chemistry (IUPAC-IFCC Recommendations 1996)) on page 964 [Terms] [Paper]
Citation: 'calorie' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.C00784 RIS BibTex EndNote
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