The equivalent of 53 centimeters in U.S. customary units is 20.87 inches. Because 1 inch equals 2.54 centimeters, dividing 53 centimeters by 2.54 centimeters per inch yields 20.87 inches.
Another way to complete the conversion is to multiply 53 centimeters by 0.3937 inches per centimeter, since 1 centimeter equals 0.3937 inches. U.S. customary units, such as the inch and foot, are derived from the imperial system of measurement and are primarily used in the United States. The centimeter, along with the meter, millimeter and kilometer, is a unit of length in the International System of Units. This system is also called the metric system and is used by most industrialized nations in the world.