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Is 0.000000040634970 light years as long as a Strand of Hair?

It's about 4,000,000,000,000 times as wide as a Strand of Hair
The width of a Strand of Hair is about 0.00000000000000000001000 light years.
(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.
There's more! See other comparisons to 0.000000040634970 light years...