When you re done and you export your pdf you ll have it sized and ready for full bleed printing.
Indesign margin and gutter.
Use the transform panel to determine the exact with and height of your outer margins.
Enter values for top bottom left and right margins as well as the number of columns and the gutter the space between columns.
Because adobe indesign layout pages can include column guides as well as margin guides you can establish the gutter dimensions for a variety of layout options within one set of guides.
Use margins and column guides to position content.
Indesign uses the first definition in margins and columns so i m going to guess that is what your question is about.
210x297 less 10mm each side would be 190x277.
Planning your indesign pages using margins and columns bookmachine this is an excerpt from nigel french s book indesign type.
Ungroup the object and select all the inner lines.
Assuming i guessed correctly are you trying to define the gutter width or gutter position.
Some people use gutter to describe the space between 2 columns other use it to describe the space between two pages.
To adjust column guides manually drag them horizontally to new positions producing unequal widths.
Choose layout margins and columns.
Gutter widths should relate to the body text leading value.
Open the pages panel window pages and select the thumbnails for the pages you wish to change.
Select format document margins and assign margins that include the additional bleed example.
Gutters and full bleed.