Convert from cuadra [Argentina] to block [East U.S.]

Unit Definition (cuadra [Argentina])
In Argentina and Chile, the cuadra is equal to 150 varas (roughly 130 meters or 410 feet). Elsewhere in south and central america, the cuadra is equal to 100 varas.

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.