How It Works
- Get a ruler. You'll need it to measure the physical distance you move your mouse.
- Move your mouse. In the next step, click and drag the tracker to the right. A longer distance provides a more accurate result.
- Enter the distance. Measure how far your mouse moved with your ruler and enter that value.
Pro Tip: For the most accurate reading, disable mouse acceleration ("Enhance pointer precision") in your Windows/macOS settings.
Why Does Your True DPI Matter?
For Gamers
Consistent aim is key. Knowing your real DPI lets you build muscle memory and perfectly replicate your sensitivity across different games and setups. Stop letting hardware variations affect your performance.
For Designers & Artists
Pixel-perfect precision requires a predictable cursor. Understanding your mouse's true DPI helps you fine-tune your workflow for smooth, accurate strokes and selections in creative software.
For Power Users
Whether you're navigating large spreadsheets or multiple monitors, knowing your DPI lets you optimize your cursor speed for maximum efficiency and comfort, reducing unnecessary wrist strain.
Frequently Asked Questions
What is mouse DPI?
DPI stands for Dots Per Inch. It's a measure of how sensitive a mouse is. A higher DPI means the cursor moves further on the screen for the same physical mouse movement. For example, an 800 DPI mouse moves its cursor 800 pixels for every 1 inch of physical movement.
Why is knowing my true DPI important?
Manufacturers' advertised DPI can sometimes be inaccurate due to hardware variance or firmware interpolation. Knowing your true DPI is crucial for gamers to build consistent muscle memory and for designers to have precise control. It allows you to set up your sensitivity perfectly across different games or computers.
How do I get the most accurate result?
For the highest accuracy, disable "Enhance pointer precision" in your Windows mouse settings (or mouse acceleration in macOS). Also, try to measure over a longer physical distance (e.g., 4-5 inches or 10 cm) as this reduces the margin of error.
Is this tool safe and private?
Absolutely. This tool runs entirely in your browser using JavaScript. No data, mouse movements, or results are ever sent to our servers. Your privacy is 100% guaranteed.