What is 8 millimeters to inches? The answer is that 8 mm equals 0.3149 inches.
How to convert 8 mm to inches? We know that one inch is equal to 25.4 millimeters, so to convert 8 millimeters to inches, we must divide the amount of centimeters by 25.4, which means that 8 millimeters is equal to 8 mm ÷ 25.4 = 0.3149 inches.
See also: How to convert 8 inches to mm.