Units

The operations collected in Options -> Set unit allow to set the current length units in which dimensions are being displayed for the bounding box, PostScript page, the positions and distances of the measuring crosses and displayed grids. In the table below the available main units are listed, along with the accompanying units (super-units and sub-units) which are used when displaying the grid using the Grids & Frames -> Fine grid menu command.

Main unit Helper unit
cm centimeter mm
mm milimeter cm
in (inch, 1 in = 25,4 mm) 1/12 in
pt (point, 1 in = 72,27 pt) pc (pica, 1 pc = 12 pt)
dd (didot, 1 dd = 1.07 pt) cc (cycero, 1 cc = 12 dd)
bp (PostScript point, 1 in = 72 bp) 12 bp