Measure tools

many engineering and architecture diagrams which are frequently exported to pdf pdf pro includes measurement tools, which can be useful when needing to quickly check a measurement, accessing measurement tools navigate to the home tab in the ribbon on the measure section , you will find options such as distance, perimeter, and area you can also enable show ruler and show grid, and toggle snap to grid measure tools description of tools distance measures the straight line distance between two points perimeter measures the total length around a shape area calculates the area within a defined shape show ruler displays a ruler on the document to help with manual measurements show grid displays a grid overlay on the document snap to grid snaps measurement tools to the grid lines for more precise placement setting measurement units from the preferences menu open preferences go to the file menu > select preferences set measurement units in the general tab locate the measure units dropdown choose your preferred units from the dropdown menu the following measurements units are available inches points millimeters centimeters after you select your preferred unit, it will be set, and you will be ready to start using it from the ruler directly right click on the ruler to change the measurement unit this will change the measurement units for the entire document the next time you use it, the measurements will be in the new units using the measurement tools to stop using the measuring tool, press the esc key or select the hand or select menu choice press ctrl + z to undo your last action distance click on the distance tool left click to mark the initial position move the mouse to the desired position and left click again to finish defining the distance to be measured tip hold down the shift key to draw a straight line while moving your mouse perimeter and area click on the perimeter or the area tool left click to mark the initial position draw the perimeter or area to be measured by left clicking on the dedired positions finish by double clicking the left mouse button to conclude the marking of the perimeter or area ruler click on show ruler to activate the ruler right click on the ruler to change the measurement unit this will change the measurement units for the entire document the next time you use it, the measurements will be in the new units grid tool the grid tool is an overlay which can help you align objects and text more accurately within your pdf it overlays a grid on your document, making it easier to place elements with precision click on show grid to display the grid on the pdf page show / hide grid on the active pdf document