To convert 1 cm to inches, follow these steps:
Step 1: Understand the conversion ratio
One centimeter (cm) is equal to 0.3937 inches (in).
Step 2: Write out the conversion equation
1 cm = 0.3937 in
Step 3: Set up the conversion ratio
Since our goal is to convert from cm to in, we want the cm unit to cancel out. To do this, we put cm in the denominator and in in the numerator.
1 cm x (0.3937 in / 1 cm)
Step 4: Cancel out units and solve
The cm unit cancels out, leaving us with the in unit. Now, we can simply multiply 1 cm by 0.3937 in to get our final answer.
1 cm x 0.3937 in = 0.3937 in
Step 5: Round off the answer if necessary
In this case, our answer is already rounded to four decimal places. However, if you need to round it further, the commonly accepted conversion is 1 cm = 0.39 in.
Therefore, 1 cm is equal to 0.39 inches.
You have successfully converted 1 cm to inches using the conversion ratio 0.3937.