Using Conversion Factors to Cancel Units

Dimensional analysis is a method for using conversion factors to cancel units and solve measurement problems. It is also called the factor label method. The main rule is that units must be treated the same way as the numbers attached to them.

A conversion factor is a ratio of two equal quantities...

The correct scientific measurement for any physical quantity is represented by an accurate numerical value expressed with the desired SI unit.

Dimensional analysis, also known as the factor label method, is a mathematical approach that is based on the principle that the units of quantities must be subjected to the same mathematical operat...