Convert from iron to polegada [Portuguese]

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 (polegada [Portuguese])
The polegada is a Portuguese "inch" unit, equal to 1/12 pé, 2.777 centimeters, or 1.093 inches.