Convert from iron to werst

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 (werst)
The werst is a German spelling, sometimes seen in English as well, for a Russian distance unit, the verst.