What is 40 centimeters to inches? The answer is that 40 cm equals 15.748 inches.
How to convert 40 cm to inches? We know that one inch is equal to 2.54 centimeters, so to convert 40 centimeters to inches, we must divide the amount of centimeters by 2.54, which means that 40 centimeters is equal to 40 cm ÷ 2.54 = 15.748 inches.
See also: How to convert 40 inches to cm.