What is 1.57 inches to millimeters? The answer is that 1.57 inches equals 39.878 millimeters.
How to convert 1.57 inches to mm? We know that one inch is equal to 25.4 millimeters. Therefore, to convert 1.57 inches to millimeters, we multiply the inch value by 25.4. This gives us 1.57 inches × 25.4 = 39.878 mm. So, 1.57 inches is equal to 39.878 millimeters.
See also: How to convert 1.57 mm to inches.