How to convert 12 inches to cm One inch equals 2.54 centimeters, to convert 12 inches to cm we have to multiply the amount of inches by 2.54 to obtain the result in centimeters. 12 inches is equal to 12 inches x 2.54 = 30.48 cm. The result is the following: 12 inches = 30.48 cm What is 12 inches in cm? 12 inches equals 30.48 cm. Inches to centimeters formula and conversion factor To calculate a inch value to the corresponding value in centimeters, just multiply the quantity in inches by 2.54 ... How many cm is 12 inches? Convert 12 inches to cm. Here you can easily find the answer and the conversion procedure to convert 12 inches to cm. How to Convert Inches to CM? The process of converting inches to centimeters is straightforward. To convert inches to centimeters, multiply the unit by 2.54. For example, if you want to convert 1 inch to centimeters, multiply 1 by 2.54. Therefore, 1 inch = 1 x 2.54 = 2.54 cm Here are some additional examples to help you understand this better. 12 Inches is equal to 30.48 Centimeters. Therefore, if you want to calculate how many Centimeters are in 12 Inches you can do so by using the conversion formula above.