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At 3 lines per inch, this left room for 28 lines per page. On a standard letter-sized page, one left a one-inch top margin and a half-inch bottom margin, leaving 9.5 inches of usable space. Your only real options for line spacing were to type single-spaced with 12 points per line, or to insert a carriage return between line to double-space the text at 24 points per line.ĭouble-spacing - 24 points per line or 3 lines per inch - became the norm in much writing, in particular legal writing. This was a mechanical feature of the type writer it could not be changed. Back in the old days of typewriters, line spacing was always 6 lines per inch (12 points per line). Time for a brief (but important!) history lessson. The most common line spacings used are “Single” spacing and “Double” spacing.
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