What is 30 inches to millimeters? The answer is that 30 inches equals 762 millimeters.
How to convert 30 inches to mm? We know that one inch is equal to 25.4 millimeters, so to convert 30 inches to millimeters, we must multiply the amount of centimeters by 25.4, which means that 30 inches is equal to 30 inches × 25.4 = 762 mm.
See also: How to convert 30 mm to inches.