Editing Foolscap folio (section)

===United States===
Today in the United States, a half-foolscap sized paper for printing is standardized to {{convert|8+1/2|×|14|in|sigfig=3}}, widely available and sold as "legal sized paper" for printing, writing, note-taking etc. A full foolscap size paper of {{convert|14|×|17|in|sigfig=3}} is also widely available for arts and crafts etc. alongside the {{convert|11|×|17|in|sigfig=3}} tabloid size.

In the United States in the 19th century, paper was sold either flat or folded in half. Folded foolscap was often {{convert|12+1/2|×|16|in|sigfig=3}}, but smaller and larger sizes were also found.<ref name="Monachesi" >{{cite book
 |editor1-last=Monachesi
 |editor1-first=Herbert D.
 |editor2-last=Yohn
 |editor2-first=Albert B.
 |title=The stationers' hand-book; a practical business guide chiefly intended for the use of retail stationers and book-sellers
 |place=New York
 |publisher=Office of the Publishers' Weekly
 |year=1876
 |pages=4–8
 |url=https://archive.org/details/stationershandbo00mona}}</ref> Legal foolscap of {{convert|8|×|24|in|sigfig=3}} was always sold ruled and folded in half at the printers by a [[folding machine]], resulting in a leaflet {{convert|8|×|12|in|sigfig=3}}, almost the same as modern A4 paper, which is {{convert|8.27|×|11.69|in|sigfig=3}}<ref name="Monachesi" />

There were numerous other sizes with variations on the "cap" name:<ref name="Monachesi" />
* Flat cap (i.e. unfolded). {{convert|14|×|17|in|sigfig=3}}
* Small Flat cap (or law blank cap, corporation cap or legal cap). {{convert|13|×|16|in|sigfig=3}}
* Exchange cap – thin, highly [[calender]]ed, hard and strong paper used for bills of exchange, certificates and other blanks where light weight and ability to receive hard usages was required.
* Drawing cap – cold-pressed, for making drawing books and printing imitation antique work.
* Double cap writing – for both writing and ledger papers. {{convert|17|×|28|in|sigfig=3}}
* Double foolscap. {{convert|26+1/2|×|16+3/4|in|sigfig=3}}