Thanks for the answers.

@brinn : Could you explain were I can find that function in terms of position in menu? I use the german setting and can't find the corresponding menu name.

Hello everyone, I have created alot of inkscape images with the wrong size. I need an quick way of increasing the size of the background and the figure proportionaly. To be more precise : I want to increase the size of the page, the figure on the page, and the position of the figure on the page prop...