Convert from iron to pica

Unit Definition (iron)
The iron is a traditional unit measuring the thickness of leather used in making shoes, especially the soles of the shoes. One iron is equal to 1/48 inch (0.5292 millimeter), so a sole 1/4 inch thick is described as "12 iron".

Unit Definition (pica)
Unit of measure, approximately 1/6 of an inch, used in graphic arts. Twelve points make one pica.