Print Bleed & Trim Calculator
Calculate document size including equal bleed on every edge.
Your inputs
Calculation results
Formula & assumptions
Artwork dimensions = trim + two bleeds; pixels = millimeters × PPI/25.4.
Values use the specified units. Calculations use floating-point arithmetic. Check input measurements and formula assumptions before applying the result.
Compare your scenarios
Save up to five results to compare changes side by side. Scenarios stay in this tab until you clear or reload it.
Using Print Bleed & Trim Calculator
Calculate document size including equal bleed on every edge.
- Enter trim width, trim height, bleed, resolution using the units printed under each field.
- Choose Calculate, or enable live updates. Review the result labels and formula assumptions.
- Save scenarios to compare up to five variations, then copy the report or download JSON or CSV.
Example
Trim width: 210 millimeters Trim height: 297 millimeters Bleed: 3 millimeters Resolution: 300 pixels per inch Artwork width · millimeters: 216 Artwork height · millimeters: 303 Artwork width · pixels: 2552 Artwork height · pixels: 3579
Questions & answers
What does Print Bleed & Trim Calculator calculate?
Calculate document size including equal bleed on every edge.
Which units should I enter?
Trim width uses millimeters. Trim height uses millimeters. Bleed uses millimeters. Resolution uses pixels per inch. Convert values to these units before calculating.
Which formula does it use?
Artwork dimensions = trim + two bleeds; pixels = millimeters × PPI/25.4.
What does the included example show?
Trim width: 210 millimeters; Trim height: 297 millimeters; Bleed: 3 millimeters; Resolution: 300 pixels per inch. Result: Artwork width · millimeters = 216; Artwork height · millimeters = 303; Artwork width · pixels = 2552; Artwork height · pixels = 3579.
Can I compare different settings?
Yes. Save a scenario, change the inputs and save another result. Up to five scenarios are compared in this tab; they disappear when you reload or leave.
Can I export the calculation?
Copy the JSON report or download JSON and CSV with inputs, result labels and numeric values. Processing uses local JavaScript; no calculation request is sent to our server. Displayed values use up to 10 significant digits; exports retain JavaScript numeric precision.
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