What is 0.125 inches to millimeters? The answer is that 0.125 inches equals 3.175 millimeters.
How to convert 0.125 inches to mm? We know that one inch is equal to 25.4 millimeters. Therefore, to convert 0.125 inches to millimeters, we multiply the inch value by 25.4. This gives us 0.125 inches × 25.4 = 3.175 mm. So, 0.125 inches is equal to 3.175 millimeters.
See also: How to convert 0.125 mm to inches.