Convert from pulgada to thou

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 (thou)
An inch is an Imperial unit of length. Sweden also briefly had a "decimal inch" based on the metric system: see below for more.