Measurements
Points and picas for paper dimensions
Connect layout units with inches and millimeters.
By Printer Paper Size Team•

In the digital layout convention used by this site, an inch contains 72 points or 6 picas. A pica contains 12 points.
A Letter example
An 8.5 × 11 inch Letter page is 612 × 792 points. In picas, it is 51 × 66. The paper stays the same size; only the unit changes.
To convert millimeters to points, multiply by 72 ÷ 25.4. To convert millimeters to picas, multiply by 6 ÷ 25.4. Keep enough precision while designing and round only the displayed result.
Choose pt or pc in the site’s unit selector to inspect a format.