Rods to hair widths equation
To convert rods to hair widths:
Multiply the number of rods by 28.53025936599424
About rods
A rod is equal to five and a half yards
About hair widths
A human hair's width varies between 17 and 181 micrometers. The measurement used here is 144th of an inch — around 176 micrometers — it was sometimes used with English units, but is not included in the Imperial system.