Converting from Pica Printer (pi) to Point Didot (dd)

What is Pica Printer (pi)

Pica Printer (pi) is a typographic unit of measurement commonly used in the printing industry to define the size of typefaces and spacing. It is equivalent to 1/6 of an inch.

What is Point Didot (dd)

Point Didot (dd) is another unit of typographic measurement, named after the French type designer Firmin Didot. It is commonly used in Europe and is a bit smaller than the Pica Printer. One Point Didot is approximately equal to 0.089 millimeters.

Conversion Formulas

The default conversion ratio between Pica Printer (pi) and Point Didot (dd) is:

• 1 (pi) = 11.21686 (dd)
• 1 (dd) = 0.08915149 (pi)

For other conversions, you can use the following formulas:

• 9 (pi) = 100.9518 (dd) and 9 (dd) = 0.8023634 (pi)
• 6 (pi) = 67.30118 (dd) and 6 (dd) = 0.5349089 (pi)
• 8 (pi) = 89.7349 (dd) and 8 (dd) = 0.7132119 (pi)

Examples

• To convert 9 Pica Printers (pi) to Point Didots (dd):

9(pi)×11.21686=100.9518(dd)

• To convert 6 Point Didots (dd) to Pica Printers (pi):

6(dd)×0.5349089=3.20945(pi)

Use this guide to easily perform conversions between Pica Printer (pi) and Point Didot (dd) for all your typography needs.