Convert from werst to pie [Spanish]

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

Unit Definition (pie [Spanish])
The pie is a traditional foot of Spain. The pie equals 1/3 vara or 12 pulgadas. The pie used in Spain is about 27.86 centimeters or 10.97 inches, but in Spanish Latin America the pie is generally longer.