'Python tTkinter calibration of parameters based on screen resolution

I am creating program using Tkinter and faced a problem. I have a json of configs:

{
"canvas_size": 450,
  "line_width": 2,
  "unit_line_width": 5,
  "dash": {
    "dash": 10,
    "space": 10
  }
}

And canvas objects with this specs like circles look perfect on my MacBook.

canvas.create_oval(top_x, top_y, bottom_x, bottom_y,
            dash=dash, fill='',
            tags=("draggable", self.selection_fig_tag),
            outline=outline, width=width)

However when I switch to Desktop my program looks awful due to different screen resolution. How can I adjust these configurations using screen dpi or etc, so my program will look same on different screens?

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'Python tTkinter calibration of parameters based on screen resolution

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