Tobias Reed Production Knowledge Lead at 4OVER4.COM
Tobias is our voice for cutting, binding and large format, built from the knowledge of our production team, with over 20 years in printing.
Question
What Image Resolution Do I Need?
Answer
Aim for 150 to 300 DPI at your final print size. That range keeps the image sharp on metal without demanding an unnecessarily huge file.
| Print size | Target pixels at 200 DPI |
|---|---|
| 16 x 20 in | about 3,200 x 4,000 px |
| 24 x 36 in | about 4,800 x 7,200 px |
| 30 x 40 in | about 6,000 x 8,000 px |
- Most modern DSLR and mirrorless cameras produce files large enough for prints up to 30 x 40 without issue.
- Smartphone photos are fine for smaller sizes but often fall short on large-format panels.
- Check the preview after uploading, because stretching a low-resolution image across a large panel looks blurry and no sharpening will fix it.
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