Pica (printer's, traditional) (pc (printer's))

Twelve traditional printer's points: exactly 0.166044 inch.

What is a printer's pica?

Used for line lengths and column widths in traditional typesetting before desktop publishing.

Pica (printer's, traditional) in other units
Pica (printer's, traditional)	Millimeter	Point (desktop publishing)	Centimeter
1 pc (printer's)	= 4.2175176 mm	= 11.955168 pt	= 0.42175176 cm
10 pc (printer's)	= 42.175176 mm	= 119.55168 pt	= 4.2175176 cm
100 pc (printer's)	= 421.75176 mm	= 1195.5168 pt	= 42.175176 cm
1000 pc (printer's)	= 4217.5176 mm	= 11955.168 pt	= 421.75176 cm

The next smaller typography unit is the millimeter (mm). 1 pc (printer's) = 4.2175176 mm, and 1 mm ≈ 0.2371063016 pc (printer's).

The next larger typography unit is the pica (pc). 1 pc (printer's) = 0.996264 pc, and 1 pc ≈ 1.00375001 pc (printer's).

How many millimeters are in one printer's pica?: One printer's pica = 4.2175176 mm (millimeters).
How many points are in one printer's pica?: One printer's pica = 11.955168 pt (points).
How many centimeters are in one printer's pica?: One printer's pica = 0.42175176 cm (centimeters).