DPI Converter

Convert between pixels, DPI/PPI, and real print dimensions. Plan prints that come out exactly the size you want.

Image width (pixels)

Image height (pixels)

Physical unit

Print width (in)

Print height (in)

Keep aspect ratio

Changing print width auto-adjusts height when enabled.

DPI / PPI (optional override)

How it works
DPI = pixels ÷ inches. Leave DPI empty to compute it from your print size, or enter a DPI to see the max print size at that resolution.

Reference: 300 DPI = quality print • 150 DPI = large format • 72 DPI = screen/web.

🖨 Two-way conversion

Pixels to size, or size to resolution.

📏 Print reference

300 DPI for sharp photos, 150 DPI for posters.

🔧 Aspect ratio lock

Keeps proportions when you change one side.

🔎 Units

Switch freely between inches and centimeters.

More converter tools

Size, measure, and format with ease.

Area Converter → Data Size Paper GSM