What is 12 inches to centimeters? The answer is that 12 inches equals 30.48 centimeters.
How to convert 12 inches to cm? We know that one inch is equal to 2.54 centimeters, so to convert 12 inches to centimeters, we must multiply the amount of centimeters by 2.54, which means that 12 inches is equal to 12 inches × 2.54 = 30.48 cm.
See also: How to convert 12 cm to inches.