What is 3.5 inches to centimeters? The answer is that 3.5 inches equals 8.89 centimeters.
How to convert 3.5 inches to cm? We know that one inch is equal to 2.54 centimeters, so to convert 3.5 inches to centimeters, we must multiply the amount of centimeters by 2.54, which means that 3.5 inches is equal to 3.5 inches × 2.54 = 8.89 cm.
See also: How to convert 3.5 cm to inches.