Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English


English definition of “ratio”


noun [C]     /ˈreɪʃiəʊ/ (plural ratios)
the relationship between two amounts , represented by two numbers or a percentage , expressing how much bigger one is than the other: the ratio of sth to sth The ratio of exports to imports also improved from 70.4% to 83.2%. The ratio of house prices to earnings is 55% above its average level in the past 20 years . The ratio of men to women at the conference was 10:1. The company was performing well according to all the key ratios. → See also accounting ratio, acid test ratio, asset turnover ratio, book-to-bill ratio, capital adequacy ratio, capital ratio, cash ratio, cash deposit ratio, collection ratio, combined ratio, current ratio, debt/equity ratio, debt ratio, debt coverage ratio, debt service ratio, dividend payout ratio, dividend-price ratio, expense ratio, financial ratio, inventory-to-sales ratio, liquid ratio, liquidity ratio, loan-to-value ratio, management ratio, net P/E ratio, net quick assets ratio, operating expense ratio, payout ratio, P/D ratio, P/E ratio, price-dividend ratio, price/earnings ratio, reserve ratio, solvency ratio, stock turnover ratio, turnover ratio
(Definition of ratio noun from the Cambridge Business English Dictionary © Cambridge University Press)
Focus on the pronunciation of ratio

Definitions of “ratio” in other dictionaries

Word of the Day


relating to behaviour between people that is pleasant and friendly, often despite a difficult situation

Word of the Day


Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More