What is 18 millimeters to inches? The answer is that 18 mm equals 0.7086 inches.
How to convert 18 mm to inches? We know that one inch is equal to 25.4 millimeters. Therefore, to convert 18 millimeters to inches, we divide the millimeter value by 25.4. This gives us 18 mm ÷ 25.4 = 0.7086 inches. So, 18 mm is equal to 0.7086 inches.
See also: How to convert 18 inches to mm.