What is 6 inches to millimeters? The answer is that 6 inches equals 152.4 millimeters.
How to convert 6 inches to mm? We know that one inch is equal to 25.4 millimeters, so to convert 6 inches to millimeters, we must multiply the amount of centimeters by 25.4, which means that 6 inches is equal to 6 inches × 25.4 = 152.4 mm.
See also: How to convert 6 mm to inches.