Point (typography)
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In typography, the point is the smallest unit of measure. It is used for measuring font size, leading, and other items on a printed page. The size of the point has varied throughout printing's history
A ruler showing point scale (on the bottom) and inch scale (on the top)
The Fournier scale: two inches in total, divided into four half-inches, the medium intervals are one line (1⁄12 inch), and the smallest intervals are 1⁄36 inch; no intervals for the point is given, though
Pica (unit)
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The pica is a typographic unit of measure that has varied in size historically and by jurisdiction. The modern de facto standard size is exactly 1⁄6 of an inch or about 4.23 millimetres. One pica is f
Point (typography)
…standard. The DTP point is defined as 1⁄72 of an inch (or exactly 0.3527 mm) and, as with earlier American point sizes, is considered to be 1⁄12 of a pica. In metal type, the point size of a font describes the height of the metal body on which that font's characters were cast. In digital type, letters of…
A ruler showing Pica scale (on the top) and Agate scale (on the bottom)