LATIN DICTIONARYLexicon Latīnum
English → Latin

“inch” in Latin

The English word inch itself goes back to Latin ū̆ncia.

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

inch
digitus (a finger’s thickness); adjective, digitalis: uncia (the twelfth of a whole; as measure of length, Front., Aquaed., 24; Plin., 6, 34, 39). Not to depart a single inch from anything, ab aliqua re non (transversum) digitum decedere: not an inch, ne tantulum quidem (IMPROP., not at all, however little). I don’t Vid: a single inch of land in Italy which, etc., pedem in Italia video nullum esse, qui, etc. By inches, paullatim: sensim; Vid: GRADUALLY.

Quick answer

What is the Latin word for inch?
The usual Latin words for “inch” are digitus, digitālis, uncia; also trānsvertō, et cētera, paulātim. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.