I just need some extra guidance in my homework. So I need to set up a file in InDesign with a specific bleed, and I don't know what to do because InDesign won't let me set it past 6 in. Please help! These are the requirements:

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2 Answers 2


It looks to me like your "trim size" (actual finish size) is 8 3/8" x 10 5/8"

the bleed wants to be 8 5/8" x 10 7/8"- this is 1/8" larger in each direction (1/4" total) than your "trim area"- set your bleed to 1/8" and you should be good.

It also looks like your margin wants to be 1/2" all the way around so that your "live area" is 1" smaller than your "trim area".

  • Thank you so much!
    – D nasour
    May 15, 2021 at 17:29

Trim Measurements -- This is the actual size of the document. In InDesign, you use these measurements as your base. This is the Document Size in InDesign. This is the final size of the document delivered by the print provider.

Bleed Measurements --- Bleed measurements MINUS Trim measurements provides the size of the bleed. In this case 8-5/8 by 10-7/8 MINUS 8-3/8 by 10-5/8 = 2/8 by 2/8 Then you figure top and bottom, left and right - so DIVIDE this by 2. Leaving 2/8 ÷ 2 = 1/8 -- this is the size of your bleed - or 1/8" around all 4 sides, outside the trim measurements.

Live Area Measurements Sometimes referred to as Safety Area -- Trim measurements MINUS Live Area Measurements provides the size of the document margins. The space between the edge of the document to where any art or text should start. In this case 8-3/8 by 10-5/8 MINUS 7-3/8 by 9-5/8 = 1 by 1 Then you figure top and bottom, left and right - so DIVIDE this by 2. Leaving 1 ÷ 2 = 1/2 -- this is the size of your margin - So 1/2" all the way around all 4 sides of the document.

All this in an InDesign "New Document" window...
(You must convert fractions to decimals. If you don't know how to do that...
Merely divide the top number by the bottom number. For 5/8 you would use 5 ÷ 8 = .625.)

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