File ConversionUnit ConversionFree Tool
Digital Resolution
Convert pixel density between DPI, PPI, Pixels per cm, and Pixels per mm using standard conversion factors.
How to Use Digital Resolution
- 1Enter the resolution value to convert
- 2Select the source unit
- 3Select the target unit
- 4See the instant result
Frequently Asked Questions
DPI (dots per inch) technically refers to printer output resolution, while PPI (pixels per inch) refers to screen/image pixel density — in casual use they're often treated as interchangeable, and this tool converts between them 1:1 on that basis.
DPI, PPI, Pixels per cm, and Pixels per mm.
Based on the exact inch-to-metric relationship (1 inch = 2.54 cm), with results shown to 6 decimal places.
No — the calculation happens entirely in your browser.
Related Tools
Length Converter
Convert length between meters, kilometers, centimeters, miles, yards, feet, and inches using standard conversion factors.
Area Converter
Convert area between square meters, square feet, acres, and hectares using standard conversion factors.
Data Size Converter
Convert data storage size between Bytes, KB, MB, GB, and TB using binary (1024-based) conversion factors.
Frequency Converter
Convert frequency between Hertz, Kilohertz, Megahertz, and Gigahertz using standard SI conversion factors.