Question

Why does not a ratio have any unit?​

Answer 1

Wrong statement

A ratio is many times bigger one thing is than another

Answer 2

$\huge \mathfrak \red{answer}$

Since a ratio is only a comparison or relation between quantities, it is an abstract number. ... If two quantities cannot be expressed in terms of the same unit, there cannot be a ratio between them. Hence to compare two quantities, the units must be the same