A pica stick is a flat measuring tool calibrated in typographic units rather than inches or centimeters. It typically features scales for picas, half-picas, and points, and sometimes includes scales for agate lines. Compositors and layout artists use it to check column widths, measure leading, and ensure that locked-up type forms match the exact dimensions required for the press.
Heard on the job
Hand me the pica stick so I can check if this block of text will fit the chase.
Insider tip
A true pica stick often has a small hook on the zero end to catch the edge of a galley or chase for accurate one-handed measuring.
Also heard as
- line gauge
- typographic ruler