Mouse Accuracy Test
Click targets as accurately as possible — reaction time and offset tracked
Results are estimates based on browser event timing. Actual hardware values may vary due to OS scheduling and browser overhead.
The Mouse Accuracy Test challenges you to click randomly appearing circular targets as accurately as possible. The tool measures your click offset from center (precision), reaction time (speed), and calculates an overall accuracy percentage with letter grade — essential for benchmarking your aim before and after changing sensitivity settings.
Mouse Accuracy vs Mouse Precision: What's the Difference?
Accuracy measures how often you hit the target at all — a percentage of successful clicks within the target radius. Precision measures how close to the exact center of each target your click lands — the average pixel offset. You want both: high accuracy (95%+) AND low offset (under 8px for the 50px target size).
Optimal DPI Settings for Maximum Accuracy
DPI directly affects accuracy in this test and in games:
- 400 DPI: Maximum precision for flick shots — requires large mousepad. Used by ~30% of pro CS2 players.
- 800 DPI: Best balance of precision and navigation speed. Most popular among pro FPS players (~50%).
- 1600 DPI: Good for MOBA and RTS. Slightly more overshoot in FPS at high sensitivity.
- 3200+ DPI: Amplifies hand tremors — actively hurts accuracy for most users in precision tasks.
How to Improve Mouse Accuracy for FPS Games
- Lower your DPI to 400–800 and compensate with higher in-game sensitivity.
- Disable Enhanced Pointer Precision in Windows (Start → Mouse Settings → Additional Settings → Pointer Options → uncheck "Enhance pointer precision").
- Use arm aiming instead of wrist aiming — move your entire forearm for large swipes, wrist for micro-adjustments.
- Get a large mousepad (minimum 400×450mm) — small pads force awkward wrist movements that hurt consistency.
- Practice daily with aim trainers like Aimlabs or KovaaK's for 15–20 minutes targeting "micro-flick" scenarios.
- Adjust chair height so your forearm is parallel to the desk surface — reduces muscle strain and improves control.
Benchmark Tip: Run this test at your current settings, note your scores, then change one variable (DPI, sensitivity, or mousepad) and re-test. The data will tell you objectively whether the change helped or hurt your accuracy.
Frequently Asked Questions — Mouse Accuracy Test
When you click a target, the test calculates the Euclidean distance in pixels from your click position to the exact center of the target circle using the formula: √((click_x - center_x)² + (click_y - center_y)²). A perfect center click scores 0px offset. A click anywhere within the target radius is counted as a hit. The average offset across all hits is your precision score — lower is better.
For the default 50px target size: Under 5px average offset is excellent (S grade). 5–10px is gaming-grade (A). 10–15px is good (B). 15–20px is average (C). Above 20px suggests room for improvement. For smaller targets (XS = 35px), achieving under 5px offset is exceptional. Scores improve significantly with practice, proper mousepad size, and an appropriate DPI setting for your screen resolution and sensitivity preference.
Higher DPI amplifies both intentional movement and micro-tremors (hand shake), so very high DPI (3200+) can actually hurt accuracy by making the cursor overshoot targets. Most competitive FPS players use 400–800 DPI which provides enough granularity to hit targets precisely without amplifying hand tremors. The ideal DPI is one where you can comfortably move the cursor from edge to edge of your screen with one fluid arm motion.
Yes, for gaming and accuracy testing. Mouse acceleration (Enhanced Pointer Precision in Windows) makes cursor speed non-linear relative to physical mouse movement — different movement speeds produce different outcomes for the same physical distance. This inconsistency makes it harder to build muscle memory. Disable it in Windows Settings → Bluetooth & Devices → Mouse → Additional Mouse Settings → Pointer Options → uncheck "Enhance pointer precision".
Key improvements: (1) Lower your DPI to 400–800 and compensate with higher in-game sensitivity. (2) Use a large mousepad (minimum 400×450mm) to allow full arm movements. (3) Lower your in-game sensitivity to use arm aiming rather than wrist aiming — arm movements are more consistent and precise. (4) Practice aim training software (Aimlabs, KovaaK's) for 15–20 minutes daily. (5) Ensure your chair height positions your forearm parallel to the desk.
Yes, significantly. Hard/control surface pads (e.g., SteelSeries QcK Hard, Logitech G440) provide consistent, predictable friction ideal for precise flick shots and static aiming. Soft speed pads allow faster movement with less resistance, better for low-sensitivity large-sweep aiming. Rough textures cause sensor jitter over time as the surface wears. For accuracy-focused testing and competitive FPS, a hard control surface or premium soft control pad is recommended.