This is estimated to be 100 microns. There are 1000 microns in a millimetre. So in millimetres, a human hair is approx 0.1 millimetres in width.
Chat with our AI personalities
Your thumbnail is about 10 millimeters wide.
A mustard seed
Normally a pen is somewhere around 8mm wide but you never know, there may be 8cm wide pens! Normally 8mm
A single strand of hair can be from 18 micrometers to 80 micrometers in width.
flys are a millimeter long