Correction for the width of a Strand of Hair
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How long is 0.0013 nails?
It's about three-fourths as wide as a Strand of Hair
The width of a Strand of Hair is about 0.0017 nails.
(average)
A strand of human hair averages 99 µm (micrometers), with blond hair being the finest and black hair the thickest. On a healthy scalp, each strand of hair will last up to 6 years.