kcalg

Kcalg is a term that does not have a universally recognized definition in established reference works. In nutrition and metabolism, energy content is typically expressed in kilocalories (kcal) and energy density is expressed as kilocalories per gram (kcal/g). The concatenated form “kcalg” occasionally appears in informal writing, data fields, or software identifiers as a shorthand for kilocalories per gram, but this usage is nonstandard and not part of formal units.

Because kcalg lacks formal standardization, its meaning is context-dependent. In some texts it may be intended to denote kcal/g, while in others it could be a typographical error or a proprietary variable name within a specific dataset or program. Readers should exercise caution and rely on the surrounding documentation to determine the intended interpretation.

If kcalg is encountered in a document or data table, the safest approach is to consult the accompanying glossary, schema, or metadata to confirm what it represents. When converting or comparing values, it is generally appropriate to treat kcalg as equivalent to kcal/g, provided the context confirms that interpretation. As a general rule, established units such as kcal and kcal/g are preferred in formal writing and computation.

See also kilocalorie, energy density, kcal/g.