Choose layout margins and columns.
Indesign margin and gutter.
When you re done and you export your pdf you ll have it sized and ready for full bleed printing.
210x297 less 10mm each side would be 190x277.
To adjust column guides manually drag them horizontally to new positions producing unequal widths.
Gutters and full bleed.
Enter values for top bottom left and right margins as well as the number of columns and the gutter the space between columns.
Ungroup the object and select all the inner lines.
Use the align functions to align to dartboard.
Use the transform panel to determine the exact with and height of your outer margins.
To achieve uniform spacing set your gutters to the same value as or a multiple of 1 5 or 2 for example the leading of the text.
Indesign uses the first definition in margins and columns so i m going to guess that is what your question is about.
Assuming i guessed correctly are you trying to define the gutter width or gutter position.
Select format document margins and assign margins that include the additional bleed example.
Gutter widths should relate to the body text leading value.
Planning your indesign pages using margins and columns bookmachine this is an excerpt from nigel french s book indesign type.
Open the pages panel window pages and select the thumbnails for the pages you wish to change.
Use margins and column guides to position content.