Length/Distance / Convert from block [East U.S.] to X unit

Unit Definition:

Agate is a standard unit of measurement found primarily in newspaper advertising. There are 14 Agates per inch.

Unit Definition:

Agate is a standard unit of measurement found primarily in newspaper advertising. There are 14 Agates per inch.

Related Categories:

Common Length Conversions
Metric Length Conversions

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 (X unit)
The X-unit (symbol xu) is a unit of length formerly used to measure the wavelength of X-rays and gamma rays. The X-unit is approximately 1.0021?10-13 metre. Defined by the Swedish physicist Karl Manne Georg Siegbahn (1886-1978) in 1925, the X-unit could not at that time be measured directly; the definition was instead made in terms of the spacing between planes of the calcite crystals used in the measuring apparatus.