When performing dimensional analysis, we usually use conversion factors. What is a conversion factor?

A conversion factor is a variable that transforms the dimension of one variable into the terms of another variable.

Explanation:

Let be and two variables with diferent dimensions (units), is a conversion if transforms the dimension of one variable into the terms of the other variable. That is:

(1)

Where:

- Input, [input unit]

- Output, [output unit]

- Conversion factor, [output unit] per [input unit]

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