Divide the number of microinches by 0.039370079 to convert to nanometers. For example, if you have 47 microinches, divide 47 by 0.039370079 to get about 1,193.8 nm.
Multiply the number of microinches by 25.4 to convert to nanometers. In this example, check your answer by multiplying 47 by 25.4 to verify your answer of 1,193.8 nm.
Check your answer with an online microinches-to-nanometers converter. Enter the number of microinches and the equivalent number of nanometers will be displayed.