Pissa Ruler - Angles Measurement Tool in Degrees and Radians on Screen

20/01/20222 min read
A visual tool for measuring angles in Degrees and Radians: refine workflow, save time.

When capturing any actual object that has a suitable incline for the design, you may put that image into specific software as Photoshop to estimate that may take a thousand of time.

Save your time, Pissa Ruler is a compact tool for quick actions to measure angles in both degrees and radians.

Pissa Ruler supports programmers, designers, graphic artists with angle measurement or variety of related tasks to give more precise angular readings.

Pissa Ruler Interface

A circular protractor scale is graduated up to 360 degrees (2𝜋 radian).




Core Features of Pissa Ruler

Show current value of angles

Projection line shown current value of angles.


Projection Line

Measuring Angle between 2 Arrows

Using left click (or space bar) to mark the first arrow and the second one will point to the target angle that reveal angle value.

Marking Angle

Zooming Pissa Ruler

Resize the ruler by

  • Click on zoom symbol to resize ruler.
  • Or using key  S  to zoom in / key  L  to zoom out.

Locking Moves

Lock/unlock the ruler to prevent accidental clicks by:

  • Click on the navigation symbol to lock/unlock moves.
  • Or press key  M  for same action.
Locking moves

Switching Measurement Units

Click on protractor symbol to  between Degrees or Radians.

Measurement Unit


Adjust transparency

Set transparent color to easily observe the objects under the protractor: scrolling the mouse wheel up and down to decrease and increase transparency respectively.


Click on the painting tray symbol to switch light or dark theme for clearly observation.


Always On Top

To keep Pissa Ruler floating over the desktop, select "Always on Top".



Beside the features are active by pressing the button, you can use the hotkeys for quick work:

S Small Zoom in the protractor
L Large Zoom out the protractor
M Moving Lock/unlock moves
T Top mode Keep ruler "Always on Top"

Saving your time for other creative works at the cost of a cup of coffee. Pissa Ruler is available on Microsoft Store.



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