Convert from block [East U.S.] to line [small]

Unit Definition (block [East U.S.])
The Block is an informal unit of distance popular in the U.S. A block is the average distance between street intersections in the rectangular street grids common in most American cities. The length of a block in Eastern USA is about 1/20 mile or 80 meters.

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.