To convert 3 cm to inches, we first need to understand the relationship between these two units of length. One centimeter (cm) is equal to 0.393701 inches (in). This means that to convert from cm to inches, we need to multiply the given measurement in cm by 0.393701.

Step 1: Write down the given measurement in cm – 3 cm.

Step 2: Multiply 3 cm by 0.393701. This can be done either by using a calculator or by hand.

3 cm x 0.393701 = 1.181103 inches

Step 3: Round the result to the desired number of decimal places. In this case, we will round to 2 decimal places.

1.181103 inches rounded to 2 decimal places = 1.18 inches

Therefore, 3 cm is equal to 1.18 inches. You have successfully converted 3 cm to inches.

Alternatively, you can also use an online conversion tool to quickly convert the units for you. Simply enter the value of 3 cm and select inches as the desired output unit. The conversion will be done automatically for you.

Remember to double check your conversion, especially when working with precise measurements. Also, keep in mind that the conversion factor of 0.393701 is an approximate value and may vary slightly depending on the source.