DPI Calculator
Summary
Effective DPI 300; close-view sharp; image 12 MP; required at 300 DPI: 2400 x 3000 px
Details
- Required pixels at 300 DPI: 2400 × 3000 px
- Aspect ratio difference: 66.67%
- 300 DPI max size: 13.33 × 10 in
- 240 DPI max size: 16.67 × 12.5 in
- 200 DPI max size: 20 × 15 in
- 150 DPI max size: 26.67 × 20 in
Warnings
- The image aspect ratio differs from the target; cropping or borders may be needed.
- DPI is a planning estimate. Print material and viewing distance matter.
Formula used
inches = pixels / DPI, pixels = inches × DPI, and effective DPI = pixels / print inches.
Limits and warnings
- Changing DPI metadata does not create new pixels.
- Printer, paper, sharpening, compression, and viewing distance affect perceived quality.
- Platform specs can change; official printer, KDP, Etsy or print-shop templates should be your final check.
FAQ
Is 300 DPI always required? No. 200–240 DPI can be acceptable for many prints, and 150 DPI can work for posters viewed farther away.
Do these tools upload files? No. Image checks run in your browser and are not uploaded.
Sources and last updated: KDP, Etsy and common print production guidance. Last updated 2026-05-23.