Letter (paper size) "official" "Government Letter" size, , was used in government, while paper was standard in most other offices. In the U.S., paper density is usually measured in "pounds per ream" (of 500 sheets). Typical Letter paper has a basis weight of paper of – the weight of 500 sheets (a ream) of paper at and at 50% humidity. One ream of 20-pound Letter-sized paper weighs , and a single Letter-sized sheet of 20-pound paper weighs , which is equivalent to 75.19 g/m. Some metric information is typically included on American ream packaging. For example, 20-pound paper is also labeled as 75
Hex Sheets Hex Sheets Hex Sheets is a supplement for fantasy role-playing games published by Games Workshop in 1978. "Hex Sheets" is a GM's aid: hexagonal mapping paper for designing wilderness terrain. It is also for use with "AD&D". "Hex Sheets" was published by Games Workshop in 1978 as a 50-sheet pad. As Games Workshop expanded its publishing arm beyond "White Dwarf" and reprints of American products. among their first original products were a pad of character sheets (1978), a pad of hex sheets (1978), and the "Dungeon Floor Plans" (1979) gaming accessory, each of which carried the "Dungeons & Dragons" trademark,