42 microns to inches
42 um x 0.0000393701 = 0.0016535433 in
Answer
42 um = 0.0016535433 in
How to calculate it
Multiply the value in microns by 0.0000393701 to get inches.
42 um x 0.0000393701 = 0.0016535433 in
42 um = 0.0016535433 in
Multiply the value in microns by 0.0000393701 to get inches.