DPI (Dots Per Inch) measures how many pixels your cursor moves on screen when you move your mouse one inch physically. Higher DPI means faster cursor movement. Gaming mice typically range from 400 to 16000 DPI.

How to test my mouse DPI?

Move your mouse exactly 1 inch (2.54cm) horizontally while holding it naturally. Our tool measures the pixels traveled and displays your effective DPI. For best results, disable mouse acceleration in your OS settings first.

What DPI is best for gaming?

Most professional FPS gamers use 400-800 DPI for precision aiming. MOBA and RTS players often prefer 800-1600 DPI. The best DPI depends on your screen resolution, mouse pad size, and personal preference.

Mouse DPI Tester | Free Online Mouse Sensitivity Analyzer & DPI Calculator

⚠️ Important: Disable Mouse Acceleration

Go to Windows Settings → Mouse → Additional mouse settings → Pointer Options → UNCHECK "Enhance pointer precision"

Target Distance: 10 inches (25.40cm)

Hold click, move left to right exactly 10 inches, then release

🖱️ Hold Click to START DPI Test Hold click, move left to right, then release

Hold click, move exactly 10 inches left to right, then release

Movement (px)

Distance (inch)

10.0

Calculated DPI

Sensitivity

How to Use This Mouse DPI Tester

This free online tool measures your mouse DPI (Dots Per Inch) using the Pointer Lock API to capture raw movement data directly from your mouse sensor.

Instructions:

⚠️ Disable mouse acceleration - Go to Windows Settings → Mouse → Additional mouse settings → Pointer Options → UNCHECK "Enhance pointer precision" for accurate results
Select target distance - Choose how many inches you want to move your mouse (longer distance = more accuracy)
Hold click to start - Hold the test area to enable Pointer Lock (cursor will disappear)
Move mouse exactly the selected distance - Use a physical ruler and move left to right horizontally
Release to finish - Release the mouse button to finish measurement and see your DPI
Test multiple times - Average 3-5 tests for most accurate measurement

How It Works:

This tool uses the Pointer Lock API to capture raw mouse movement data directly from your mouse sensor. Unlike regular mouse tracking that stops at screen edges, Pointer Lock allows unlimited movement tracking. The formula used is: DPI = Total Movement Counts / Distance in Inches.

Understanding Your Results:

🎮 Low DPI (400-800)

Best for FPS gaming with large mouse pads. Requires more arm movement for precision aiming.

⚡ ? DPI (800-1600)

Balanced for most users. Good for MOBA, RTS, and general productivity work.

🚀 High DPI (1600-3200)

Fast cursor movement for high-resolution displays. Requires steady hand control.

⚠️ Very High (3200+)

Extreme sensitivity. Usually only needed for 4K+ monitors or specific use cases.

What is Mouse DPI?

DPI (Dots Per Inch) measures how sensitive your mouse is. A mouse with 800 DPI will move the cursor 800 pixels when you move the mouse 1 inch (2.54cm) on your mouse pad. Higher DPI means faster cursor movement, while lower DPI provides more precision.

Why Test Your Mouse DPI?

Verify manufacturer specs - Confirm your mouse matches advertised DPI
Match settings across devices - Use same effective sensitivity on different computers
Optimize gaming performance - Find your ideal sensitivity for competitive play
Calculate eDPI - Combine with in-game sensitivity for complete settings

Frequently Asked Questions

How accurate is this DPI tester?

This tool provides an estimate within 5-10% of your actual DPI. For best accuracy, disable mouse acceleration, use a ruler to measure exactly 1 inch, and average multiple test results.

What's the difference between DPI and sensitivity?

DPI is hardware-based (mouse sensor), while sensitivity is software-based (OS or game settings). Your effective sensitivity = DPI × in-game sensitivity. This tool measures your hardware DPI.

Why disable mouse acceleration before testing?

Mouse acceleration changes cursor speed based on how fast you move, making DPI measurement impossible. Turn off "Enhance pointer precision" in Windows for consistent results.

What DPI do pro gamers use?

Most professional FPS players use 400-800 DPI. CS:GO pros average around 800 DPI, while Valorant pros often use 400-800. The key is finding what works with your mouse pad size and play style.