How to calculate excel cell width and height in pixels?

Question

Python

The column width is specified in characters, while the size in pixels depends on the selected font.
How to get cell width and height value in pixels?
I use openpyxl, python
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Found this calculation: pixels = points * DPI / 72 -> font 12pt * 96dpi / 72 = 16px.
That is, if the cell width is set to 1, then it should be 16px in pixels, but in fact 13px.
As I understand it, the width is set in the number of characters, but if you set the width to 2, then the pixels will be not 26, but 21px.
It turns out that one character occupies 8 pixels.

Answer 1

Take a screenshot and work with photos