TBToolyBase

Image DPI Calculator

Compute DPI from pixel size and print dimensions (inches or cm).

Print Readiness
Higher DPI means sharper prints at the chosen size.
Quick guide
150 DPI
posters / distance
200–250
standard print
300 DPI
photo print
350+
high detail
Pixels
Enter your image pixel dimensions.
Print size
Target print dimensions.
Average DPI
DPI (X)
DPI (Y)
Tip: If you only know one print side (width), you can keep proportions by matching the image aspect ratio.
Result
Example: 3000×2000 px at 10×6.67 in → 300 DPI

Formula

DPI = Pixels ÷ Inches (per axis)