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DPI & Print Size Checker:
Will Your Image Print
Sharp?
A photo that looks perfect on a phone screen can turn out blurry at poster size — screens and paper don't judge sharpness the same way. Enter your image's pixel dimensions and find out the largest size it'll actually print clean.
Checks against 300 DPI, the standard for close-up print
Also shows the size at 150 DPI for large-format work
No upload needed — just the pixel dimensions
1
Enter the pixel size
Top to bottom of the frame, in inches.
2
See the max sharp size
The largest print dimensions at 300 DPI, the standard for anything a customer holds or looks at closely.
3
Check the 150 DPI size too
For banners, posters, and anything viewed from a few feet back, 150 DPI is often genuinely fine — you may have more room than you think.
Max print size by pixel dimensions
At 300 DPI, the standard for close-viewing print.
| Image size (px) | Max print size @ 300 DPI | Typical source |
|---|---|---|
| 1000 × 1000 | 3.3 × 3.3 in | Web image, old phone photo |
| 1920 × 1080 | 6.4 × 3.6 in | HD screenshot / video frame |
| 2400 × 1600 | 8 × 5.3 in | Older DSLR / mid phone camera |
| 3000 × 2000 | 10 × 6.7 in | Modern phone camera |
| 4000 × 3000 | 13.3 × 10 in | 12MP phone / entry DSLR |
| 6000 × 4000 | 20 × 13.3 in | 24MP camera |
| 8688 × 5792 | 28.9 × 19.3 in | 50MP camera |
Why a "big enough" photo can still print soft
Almost every blurry print I've had a customer complain about started as a photo pulled straight off Instagram or a group chat, not the original camera file. Social platforms compress images down hard on upload, so what looks fine in a feed is often far below 300 DPI once you check the actual pixel count. The file size on your phone doesn't tell you this — pixel dimensions do, which is the whole reason this checker asks for width and height rather than a file upload.
If you're borderline, viewing distance is the real deciding factor. A business card held six inches from someone's face needs the full 300 DPI. A banner hanging fifteen feet up over a storefront doesn't — 100 to 150 DPI reads perfectly sharp from that distance, which is why banner printers rarely ask for the resolution a photo lab would.
DPI & print size FAQs
What DPI do I need for printing?
300 DPI is standard for anything viewed up close — photos, cards, brochures. Large-format prints seen from a distance, like banners, can use 100–150 DPI since the eye doesn't resolve individual dots that far away.
How do I find my image's pixel dimensions?
Mac: right-click the file, Get Info. Windows: right-click, Properties, Details. Most photo and design apps also show pixel dimensions in the file info or export panel.
What happens if I print at a lower DPI than recommended?
The print looks visibly soft or pixelated, especially in fine detail and text — below about 150 DPI for close-viewing items, most people notice even without knowing why.
Can I fix a low-resolution image by upscaling it?
AI upscaling can improve it somewhat, but it's generating detail that wasn't there originally — results vary. For anything important, ask for the original file at a higher resolution if you can.
Does DPI matter for vector graphics like logos?
No — vector files (AI, EPS, SVG) are resolution-independent and scale to any size without quality loss. DPI only applies to raster images like photos and scans.
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