metric inch

noun

A unit measure equivalent to 2.5 centimeters or 25 millimetres; 1/12 of a metric foot (“30 cm”)

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Meanings

nounmetric inch (plural metric inches)

plural metric inches

  1. A unit measure equivalent to 2.5 centimeters or 25 millimetres; 1/12 of a metric foot (“30 cm”)

Origin

From being measured in SI metric measurement (2.5 cm), as a value similar to the size of a US/UK Imperial Standard International Inch (2.54 cm), used in some measurements.

Full word history & related roots →
Cite this entry
APA

metric inch. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/metric%20inch

MLA

“metric inch.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/metric%20inch. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “metric inch,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/metric%20inch.

Source: metric inch on Wiktionary, CC BY-SA 4.0.