Plural of ratio

regular plural

The plural of ratio is ratios.

Forms of ratio

On Monday, the issuer announced the addition of four new transfer partners — three airlines and one hotel chain — to its credit card rewards program, along with improved transfer ratios for several existing partners.2021 April 19, Jennifer Yellin, “Capital One adds new airline and hotel partners to its credit cards, improves transfer ratios”, in CNN...
An affine transformation does not in general preserve angles between lines or distances between points, but it does preserve ratios of distances between points lying on a straight line.From the entry affine transformation
It pays close attention to mass-energy equivalence, though the ratios are strange.2017, BioWare, Mass Effect: Andromeda (Science Fiction), Redwood City: Electronic Arts, →OCLC, PC, scene: Thermodynamic Glyph. From the entry untranslatable
You should satisfy yourself that both of these ratios are proportional to time.2015, William M. White, Isotope Geochemistry, Wiley, page 78. From the entry concordia diagram
It holds that everything is rationally intelligible only so far as it instantiates mathematical rules and ratios.2003, The Cambridge Companion to Darwin, page 13. From the entry rationally

noun A number representing a comparison between two named things.
noun The relative magnitudes of two quantities (usually expressed as a quotient).
noun The number of comments to a post or other expression on social media relative to the number of likes; a high ratio suggests disagreement with the contents of the original post.

Adapted from Wiktionary: ratio (page history and authors) and the entries of its forms. Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws left out forms marked obsolete, archaic, rare or dialectal and added the examples. Wiktionary data of 2026-09-02.

Last updated: 2026-09-02

Cite this page: “Plural of ratio.” Word.ws, https://word.ws/plural/ratio. Based on Wiktionary, CC BY-SA 4.0.