The factor 0.393701 is the result from the division 1 / 2.54 (inch definition). Therefore, another way would be: The centimeter (symbol: cm) is a unit of length in the metric system. It is also the base unit in the centimeter-gram-second system of units. The centimeter practical unit of length for many everyday measurements. A centimeter is equal to 0.01 (or 1E-2) meter. Definition of inch

An inch (symbol: in) is a unit of length. It is defined as 1⁄12 of a foot, also is 1⁄36 of a yard. Though traditional standards for the exact length of an inch have varied, it is equal to exactly 25.4 mm. The inch is a popularly used customary unit of length in the United States, Canada, and the United Kingdom. Centimeters to inches formula and conversion factor To calculate a centimeter value to the corresponding value in inches, just multiply the quantity in centimeters by 0.393701 (the conversion factor). Centimeters to inches formulae inches = centimeters / 2.54 Using our centimeters to inches converter you can get answers to questions like: