The plural form of ratio; more than one (kind of) ratio.
Is ratios singular or plural?
The plural form of ratio is ratios.
Is ratio countable or uncountable?
[countable], pl. -tios. Mathematicsthe relation between two numbers or amounts, with respect to the number of times the first contains the second:The ratio of 3 to 9 is the same as the ratio of 1 to 3.