Hair widths to yards equation
To convert hair widths to yards:
Multiply the number of hair widths by 0.19277777777777777
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.
About yards
A yard is equal to three feet