Inkscape - jak změnit pravítka z pixelů na milimetry?

File>Document properties>General>Default units

Děkuji, funguje to.

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Changing the rulers' unit of measure
In the default template, the unit of measure used by the rulers is px (“SVG user unit”, in Inkscape it's equal to 0.8pt or 1/90 of the inch). This is also the unit used in displaying coordinates at the lower-left corner and preselected in all units menus. (You can always hover your mouse over a ruler to see the tooltip with the units it uses.) To change this, open Document Properties (Shift+Ctrl+D) and change the Default units on the Page tab.