Convert from pulgada to hair's breadth

Unit Definition (pulgada)
The pulgada is a traditional Spanish inch, equal to 1/12 pie. The pulgada varies from about 23.2 to 24.1 millimeters (0.913 to 0.949 inch).

Unit Definition (hair's breadth)
The hair's breadth is a common informal unit of distance. Human hairs vary considerably in width, depending on age, color, genetics, and other factors. An average hair is approximately 70 to 100 micrometers (µm) in diameter, so, as a rough standard, a hair's breadth is 100 µm or 0.1 millimeter (mm).