Mouse DPI Calculator

Enter measured pointer pixels and physical mouse travel to calculate an effective DPI estimate.

Pointer movement

Physical mouse travel

Travel unit

960 DPI1920 pixels ÷ 2 inches

This estimates effective cursor pixels per inch from your measured setup. OS pointer acceleration, browser scaling, display scaling, and game raw-input modes can make this differ from a mouse sensor's configured hardware CPI/DPI.

How to use this Mouse DPI Calculator

Estimate effective mouse DPI from measured physical travel and pointer movement. Enter your values above and the result is calculated directly in your browser. No account is required.

Fast answer, clear inputs

This tool is built around one job: give the answer quickly without forcing a signup or hiding the result. Related tools are linked nearby when the next calculation or conversion is useful.