What is 120 millimeters to inches? The answer is that 120 mm equals 4.7244 inches.
How to convert 120 mm to inches? We know that one inch is equal to 25.4 millimeters, so to convert 120 millimeters to inches, we must divide the amount of centimeters by 25.4, which means that 120 millimeters is equal to 120 mm ÷ 25.4 = 4.7244 inches.
See also: How to convert 120 inches to mm.