Convert from line [small] to spat

Unit Definition (line [small])
The line [small] is a unit of distance equal to 1/14 inch, used in printing and advertising. This usage is short for agate line.

Unit Definition (spat)
The spat is an informal unit of distance formerly used by astronomers. The spat is equal to the terameter (Tm, or 10E12 meters). This is equivalent to about 6.6846 astronomical units. The origin of this usage is not clear; "spat" may be an acronym for "space unit" or "space-time".