# Question #feca2

##### 1 Answer

In order to convert from one unit to another, you must know the appropriate equalities in order to determine the appropriate conversion factors, and then use dimensional analysis to make the conversion.

To convert

**1. Convert feet to inches.**

Equality between feet and inches:

The conversion factors are

The feet cancel, leaving inches.

**2. Add inches.**

**3. Convert inches to centimeters.**

Equality between centimeters and inches:

The conversion factors are

The inches cancel, leaving centimeters.

**4. Convert centimeters to millimeters.**

Equality between centimeters and millimeters:

The conversion factors are

The centimeters cancel, leaving millimeters.