What is 255 millimeters to inches? The answer is that 255 mm equals 10.0393 inches.
How to convert 255 mm to inches? We know that one inch is equal to 25.4 millimeters, so to convert 255 millimeters to inches, we must divide the amount of centimeters by 25.4, which means that 255 millimeters is equal to 255 mm ÷ 25.4 = 10.0393 inches.
See also: How to convert 255 inches to mm.