To convert centimeters (cm) to inches (in), you can use the following conversion factor:

1 centimeter (cm) = 0.393701 inches (in)

So, to convert a length from centimeters to inches, you multiply the length in centimeters by 0.393701.

Here’s the conversion formula:

Length in inches (in) = Length in centimeters (cm) × 0.393701

For example, let’s say you have a length of 20 centimeters and want to convert it to inches:

Length in inches (in) = 20 centimeters × 0.393701 = 7.87402 inches

So, 20 centimeters is equal to approximately 7.87402 inches.

You can use this formula to convert any length from centimeters to inches by multiplying it by 0.393701.