Free Design Calculators
Poster Size & Pixel Calculator
Calculate poster pixels from physical dimensions and intended print resolution.
What this tool does
The calculator converts the chosen unit to inches and multiplies by output DPI.
Calculate poster pixels from physical dimensions and intended print resolution.
The calculator converts the chosen unit to inches and multiplies by output DPI.
Use the tool
Calculate poster pixel dimensions
Choose poster dimensions, units, and target DPI.
Physical size and resolution
Live result
3,307 × 4,677
Required pixels
- Megapixels
- 15.47
- Physical size
- 420 × 594 mm
- Target resolution
- 200 DPI
How to use it
Three quick steps
- 1Choose poster dimensions, units, and target DPI.
- 2Review required pixel dimensions and megapixels.
- 3Verify the result in its real production context. Printer capability, viewing distance, source quality, and finishing requirements may change the appropriate DPI.
Worked example
Example: Poster Size Calculator
Calculate the pixels needed for an A2-size poster at 200 DPI.
FAQ
Questions about the poster size calculator
Practical details about using the tool and understanding its result.
Keep working
Related tools
Print Size Calculator
Find the physical print size available from an image at a chosen output resolution.
Open toolImage DPI Calculator
Calculate effective print resolution from an image’s pixels and intended physical size.
Open toolViewing-distance Calculator
Estimate a practical print-resolution range from expected viewing distance.
Open toolFrom one asset to the whole workflow
Keep this decision connected to the work, feedback, and final approval.
Draftroom keeps projects, creative files, feedback, revisions, and approvals connected in one workspace.