What is 42 inches to millimeters? The answer is that 42 inches equals 1066.8 millimeters.
How to convert 42 inches to mm? We know that one inch is equal to 25.4 millimeters. Therefore, to convert 42 inches to millimeters, we multiply the inch value by 25.4. This gives us 42 inches × 25.4 = 1066.8 mm. So, 42 inches is equal to 1066.8 millimeters.
See also: How to convert 42 mm to inches.