There are 2.54 centimeters in an inch (2.54 cm in 1 in). To find out how many centimeters there are in "x" inches, multiply the number of inches "x" by 2.54.
1 Inch = 2.54 Centimeters
There are 2.54 centimeters in an inch, because one foot is defined as 30.48 centimeters and there are 12 inches in a foot, that makes 30.48 / 12 = 2.54 cm in an inch.
For example, to find out how many centimeters there are on a 12 inch ruler, multiply the inch value by the conversion factor, that makes 12 in * 2.54 cm = 30.48 centimeters on a 12 inch ruler.
Inch is an imperial and US customary length unit. 1 inch is about 2.5 times longer than a centimeter and equals to 2.54 centimeters and 25.4 millimeters. The abbreviation is "in".
Centimeter (centimetre) is a metric system length unit. There are 100 cm in a meter, 30.48 cm in a foot and 91.44 cm in a yard. The abbreviation is "cm".