What is 80 millimeters to inches? The answer is that 80 mm equals 3.1496 inches.
How to convert 80 mm to inches? We know that one inch is equal to 25.4 millimeters, so to convert 80 millimeters to inches, we must divide the amount of centimeters by 25.4, which means that 80 millimeters is equal to 80 mm ÷ 25.4 = 3.1496 inches.
See also: How to convert 80 inches to mm.