How many pixels
does a print need?

A practical way to choose image resolution without blindly making every file 300 PPI.

File Preflight editorial desk · Reviewed August 2026 · 7 min read

The right resolution depends on the physical size of the print and how closely people will view it. Pixel dimensions—not a metadata field alone—determine how much image information you actually have.

PPI and DPI are related, but not identical

PPI describes image pixels per printed inch. DPI describes the physical dots a printer can place. Print conversations often use “DPI” when the intended question is really about image PPI.

Changing an image from 72 PPI to 300 PPI without resampling does not create detail. It only changes the proposed physical size. The width and height in pixels remain the useful starting point.

The one formula to remember

PRINT SIZEpixels ÷ target PPI = inches3000 pixels ÷ 300 PPI = 10 inches

Reverse the calculation when preparing a new canvas: multiply the intended physical dimension by the target PPI.

Try the pixels-to-print calculator ↗

Useful starting points

Close-viewed photo or art print240–300 PPIFine detail at arm's length

Flyer, brochure or postcard300 PPISmall type and detailed graphics

Poster150–200 PPIUsually viewed from several feet

Large sign or exhibition panel100–150 PPILonger viewing distance

Very large banner72–100 PPIConfirm with the print supplier

These are planning ranges, not universal specifications. Fine art reproduction, line art, textile printing and unusual screening processes can require a different workflow.

A four-step preflight

1
Start with final trim size.
Include bleed separately rather than treating it as part of the finished dimensions.
2
Ask how the piece is viewed.
A handheld card and a wall banner do not need the same pixel density.
3
Inspect at output size.
Look for sharpening halos, compression blocks and artificial upscaling texture.
4
Confirm with the supplier.
Use their profile, bleed, color-space and export instructions when provided.