Change measurement units and rulers. Choose Edit > Preferences > Units & Increments (Windows) or InDesign > Preferences > Units & Increments (Mac OS).
How do you measure in InDesign?
To measure distances using the Measure tool: Choose Window > Info to open the Info panel. All amounts measured by the Measure tool are displayed in the Info panel. Click the Measure tool in the Tools panel . The Measure tool in the Tools panel. Place the Measure tool on the start point and drag to the end point.
What is p0 in InDesign?
The readout “p0” indicates that a given location on the document is at an even number of picas. For example, the value “1p0” is exactly 1 pica.