Convert from bicron to thou

Unit Definition (bicron)
The Bicron is an obsolete metric unit of distance, which was defined as 10e-12 meter or 10e-6 micron. This distance is now called a picometer or picometre (pm). The name is a reference to the double prefix "micro-micron".

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.