PdfRuler Blog
Guides on measuring PDFs, page sizes, units and print preparation. Page 3 of 5.
August 21, 2026 · 3 min readHow to Use Draggable Ruler Guides to Check PDF Alignment and MarginsDrag guides out of the PDF rulers to check alignment, margins and spacing. Each guide shows its exact distance in mm, cm, inches or points, and stays accurate at any zoom.August 18, 2026 · 4 min readMeasure a PDF From Any Corner: Change the Ruler Origin (0,0)Choose which page corner is 0,0: top left, top right, bottom left or bottom right. Read X/Y and ruler values from the corner your printer or CAD tool uses.August 14, 2026 · 3 min readShift-Align: Measure Perfectly Horizontal and Vertical Lines on a PDFHold Shift while placing the second point to lock the line to the first point's horizontal or vertical axis, so measured widths and heights are exactly level or plumb.August 11, 2026 · 4 min readSnap to Edges: Measure PDF Content Precisely Without a Steady HandPdfRuler snaps the cursor, points and guides onto text, lines, shapes and page edges so measurements land exactly on content. How snap works and when to turn it off.August 7, 2026 · 5 min readHow to Measure the Distance Between Two Points in a PDFMeasure the distance between any two points in a PDF: click twice, read the labelled line, then check across, down and angle in the info card.August 4, 2026 · 3 min readHow to Measure Distance Between Two Points on a PDF (and Read X/Y)Click two points on a PDF to measure the distance between them in mm, cm, inches or points. Read exact X/Y positions with guide lines running to the rulers.August 1, 2026 · 4 min readHow to Zoom a PDF with Ctrl + Scroll and Still Measure AccuratelyZoom into any PDF with Ctrl + mouse wheel or a trackpad pinch and keep measurements exact. Learn how zoom works in PdfRuler and why it never changes real-world size.