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Calcimator

Bleed & Trim Calculator

Calculate document dimensions including bleed, trim, and safe area margins.

Inputs

in
in
in
in

Results

Document Width

8.75 in

≈ 3 credit cards

Document Height11.25 in
Safe Area Width8 in
Safe Area Height10.5 in
Bleed Area4.94 sq in
How to Use This Calculator
  1. Enter the Trim Width and Trim Height in inches — these are the final finished dimensions of the printed piece.
  2. Enter the Bleed Size in inches (typically 0.125 in) to set the extension beyond the trim edge.
  3. Enter the Safe Margin in inches — important content like text and logos must stay inside this boundary.
  4. Review the Document Width and Height (trim + bleed on each side) to set your file artboard.
  5. Check Safe Area Width and Height to verify no critical content is too close to the trim edge.

How the result changes with Trim Width

Trim WidthDocument Width
6.456.7 in
2121.25 in
3939.25 in
5454.25 in

What each input means

Trim Width
Final printed width after cutting.
Trim Height
Final printed height after cutting.
Bleed Size
Extra area beyond trim that extends artwork (typically 0.125 in).
Safe Margin
Margin inward from trim where important content should stay.

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Trim Width = 8.5, Trim Height = 11, Bleed Size = 0.125, Safe Margin = 0.25 = 4 input(s) provided
  2. Calculate Document Width
    Document Width
    8.75 = 8.75
  3. Calculate Document Height
    Document Height
    11.25 = 11.25
  4. Calculate Safe Area Width
    Safe Area Width
    8 = 8

Engine last updated . Checked against 2 independently-derived tests — how we verify calculators.

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