DPI Calculator
Plan print-ready image dimensions. Enter a physical size and target DPI, or check how sharply an existing pixel size will print.
Recommended dimensions
1800 × 1200 px
Total pixels
2.16 MP
Check an existing image
At this print size: 300 × 300 DPI. For sharp photo printing, aim for 300 DPI.
How to Use the DPI Calculator
- 1
Enter the intended print width and height in inches.
- 2
Choose a target DPI such as 300.
- 3
Read the recommended pixel dimensions.
- 4
Optionally enter an image's pixels to check its effective DPI.
DPI Calculator Features
Two-way calculation
Calculate required pixels and check existing image DPI.
Print focused
Uses physical inches and standard dots-per-inch measurements.
Instant results
Values update as you type.
Local processing
Your image stays on your device and is never uploaded.
Live preview
Check every adjustment before downloading the result.
Mobile friendly
Controls and previews adapt to phones and tablets.