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Follow the steps in this article to learn how to use PDF ruler to draw lines, with demonstrations using MiniTool PDF Editor and Adobe Acrobat.

When working with and editing PDF files, you sometimes encounter situations where you need to precisely align, measure, or draw lines.

To address these issues, you can use a PDF ruler tool. It’s a feature used for accurately drawing lines, making markings, or taking measurements within a PDF document.

Next, I will explain why you might use a ruler tool in a PDF document and how to use it.

Why Is It Necessary to Use Ruler in PDF?

Here are several reasons why using the ruler tool in PDFs is necessary:

  1. Precise measurement: You can easily obtain the precise dimensions of objects in a PDF document, such as height and width, without having to estimate manually.
  2. Meeting printing requirements: The ruler tool helps ensure that all elements are within the printable area, preventing cropping or improper scaling. It helps adjust content size to meet printing requirements.
  3. Precise alignment: Using the ruler tool allows for precise alignment of form fields, ensuring that text boxes and images do not overlap, which helps maintain a clean and professional document appearance.
  4. Improved document review efficiency: During document review, the ruler tool can help you make consistent modifications without disrupting the overall layout.

How to Use PDF Ruler to Draw Lines

How to draw lines using a PDF ruler? You can try MiniTool PDF Editor, Adobe Acrobat, and online tools. Pick one according to your condition.

Method 1: MiniTool PDF Editor

MiniTool PDF Editor is a professional and multifunctional PDF editing tool and a versatile measuring tool. It allows you to measure the area, scale, and perimeter of each design.

In addition, it can also split/merge/compress/crop/encrypt, insert/replace/split/extract PDF pages, add links/stickers/watermarks/signatures to PDF, convert PDF to other file formats and vice versa, etc.

MiniTool PDF EditorClick to Download100%Clean & Safe

How to use ruler in PDF to draw lines in MiniTool PDF Editor? Here is the guide.

Note:
This software offers a 7-day free trial. After the trial ends, you’ll need to buy the full version to access the advanced features.

Step 1: Right-click the PDF file and select Open with, and choose MiniTool PDF Editor.

Step 2: Select the View tab and click Rulers below it. Then, the ruler scale will appear at the top.

The interface of MiniTool PDF Editor with selected View and Rulers option.

Step 3: Go to Annotate and click on the Line option. You can choose between straight, horizontal, or vertical lines, and you can also set the line weight, color, and style.

The interface of MiniTool PDF Editor with selected Annotate and Line option.

Step 4: Ensure the cursor is aligned with the desired starting point on the ruler scale, then press and hold the left mouse button to drag and draw the line, and finally release the left mouse button at the endpoint.

In this interface, you can customize some settings.

  • Border Color: Sets the color of the line. You can choose any color you like to change the visual effect of the line.
  • Opacity: Adjusts the transparency of the line, controlling its clarity and the visibility of the background content. Lower opacity makes the line more transparent while higher opacity makes the line more visible.
  • Line Width: Controls the thickness of the line by adjusting its width.
  • Line Type: Offers different types of lines, such as solid lines, dashed lines, dotted lines, etc.
  • Start: Sets the shape of the starting point, such as a circle, square, arrow, etc.
  • End: Sets the shape of the ending point, such as a square, rhombus, etc.
  • Exit: It lets you exit the customization interface.
The MiniTool PDF Editor Line interface.
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Method 2: Adobe Acrobat

Adobe Acrobat is a PDF utility software developed by Adobe for creating, editing, viewing, and converting PDF files. It boasts a rich set of features suitable for individual, team, and enterprise users.

Tips:
This software supports operation on Windows, Mac, iOS, and Android devices.

Here are the steps to use PDF ruler to draw lines with Adobe Acrobat.

Step 1: Open Adobe Acrobat to its main interface.

Step 2: Click Open File and choose a PDF file to open.

Step 3: Click the Menu tab at the top, then select View > Show/Hide > Rulers & grids.

Tips:
The free version of Acrobat Reader also offers the ruler function, but you need to press the Ctrl + R shortcut key to enable it.
The interface of Adobe Acrobat with the selected Rulers and grids option.

Step 4: Click the All Tools > Add Comment from the tools pane.

Step 5: In the Comment toolbar that appears, find and click the drawing tools icon, and then click the Line tool from the dropdown menu. Click and drag your mouse on the PDF page where you want the line to start and end.

Tips:
You can adjust the color, thickness (width), style (solid line, dashed line, dotted line), and opacity as needed in the Pro version.

This article introduces two methods for drawing straight lines using PDF rulers. MiniTool PDF Editor is the most suitable.Click to Tweet

Use PDF Ruler to Draw Lines FAQ

1. What is a PDF Ruler?
A PDF ruler is a built-in measurement feature that enables accurate distance measurement, element alignment, and straight-line drawing within a PDF document.
2. Is the ruler visible when printing the PDF?
No. Rulers are only on-screen guides and will not appear in printed documents.
3. Can I use the ruler on scanned PDFs?
Yes, you can use the ruler on scanned PDFs. However, since scanned PDFs are image-based, the measurements may not be accurate unless the document scale is properly calibrated.
4. What units does the PDF ruler use?
Common units include inches, centimeters, millimeters, and points. These can usually be changed in settings.

Bottom Line

This article introduces desktop tools to help you easily use PDF ruler to draw lines. If you have any questions while using the MiniTool PDF Editor, contact us via [email protected].