Private production calculator
Print Bleed Calculator
Turn trim size into a press-ready canvas size. Results update instantly.
This calculates dimensions only; it does not add bleed to artwork or inspect a file. Extend background artwork beyond trim and keep important text inside the printer’s safe area.
Check the result yourself
Check a 90 × 50 mm business-card plan
With 3 mm bleed per edge, artwork is 96 × 56 mm. At 300 PPI, rounding up gives 1134 × 662 pixels. This does not include an inner safety margin.
Read the steps, expected results and limitations →More file tasks
Plan flat and folded artwork, calculate exact bleed dimensions, keep safety separate and check your exported PDF against the supplier template.
How it works
A useful answer,
with the math visible.
Add bleed to any finished document size and get the correct artwork dimensions in inches, millimetres and pixels. Adjust the fields above and the result updates immediately—there is no upload, account or hidden processing step.
Worked example
A 3.5 × 2 in card with 0.125 in bleed needs a 3.75 × 2.25 in artwork file.
How to use the Print Bleed Calculator
- Select your working unit (inches or millimetres).
- Enter your trim width and height dimensions.
- Set the bleed amount per edge.
- Choose your output resolution in PPI.
- Review the calculated artwork size in your chosen units.
- Check the pixel dimensions for your raster artwork.
- Download a bleed plan text file for your records.
What happens under the hood
This calculator adds bleed to both dimensions (width and height) by doubling the bleed value and adding it to the trim size. It converts between inches and millimetres using the standard 25.4 conversion factor. For pixel calculations, it multiplies the artwork dimensions by the selected PPI and rounds up to the nearest whole pixel. All processing happens locally in your browser with no data transmission.
Before you send the file
- Bleed extends background artwork beyond the final cut line.
- Keep important text inside the printer's safe area; bleed is not a safe margin.
- Use your printer's specification when it differs from a preset.
Frequently asked questions
What is bleed and why do I need it?
Bleed is extra artwork that extends beyond the final cut line, ensuring no unprinted edges when the document is trimmed. It's essential for professional printing to account for slight paper movement during cutting.
Is bleed the same as safety margin?
No, bleed extends artwork beyond the trim line, while safety margin keeps important content away from the trim. This tool calculates bleed dimensions only—ask your printer for their specific safety margin requirements.
How do I set up bleed in my design software?
Most design programs have bleed settings in document setup. Set your trim size, then add the bleed amount. This tool helps you determine the correct artwork size to create.
What resolution should I use for bleed artwork?
Use the same resolution as your final print (typically 300 PPI for high-quality prints). This ensures your bleed area has sufficient detail and doesn't appear pixelated after trimming.
This calculator is a planning aid. Materials, equipment and supplier tolerances vary, so verify final specifications with the printer or carrier responsible for production.