DPI Checker
A DPI checker measures your mouse's sensitivity by tracking how many pixels the cursor moves per inch of physical movement. The average gaming mouse ships at 800–1600 DPI, but professional players typically use 400–800 DPI for precision in FPS games. Use a ruler and this tool to verify your mouse's true DPI — no software, no downloads.
DPI Checker
Move your mouse across a ruler to measure its actual DPI
How far will you move your mouse? (use a ruler)
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Grab a ruler, then click Start
Move your mouse exactly 2" across a ruler, then click or press Space to stop.
Gaming Mouse DPI Reference
| DPI Range | Rating | Best For |
|---|---|---|
| < 400 | Very Low 🐢 | FPS sniping; large mousepads |
| 400–800 | Low ✅ (Pro) | Competitive FPS (CS2, Valorant pros) |
| 800–1600 | Medium ⚡ | All-round gaming, desktop use |
| 1600–3200 | High 🏃 | MOBA, 4K monitors, casual gaming |
| 3200+ | Very High 🚀 | Desktop productivity; reduce in-game |
What Is a Good DPI for Gaming?
The "best" DPI for gaming depends on your genre, monitor resolution, and personal preference — but data from professional players reveals a clear pattern. A 2024 analysis of 500+ professional CS2 players found that 67% use 400–800 DPI (Source: Prosettings.net). Valorant professionals cluster similarly, with a median around 800 DPI.
The reasoning is straightforward: lower DPI forces you to use your arm for large movements (more accurate) rather than relying on wrist micro-movements (less stable). High-DPI players compensate with very low in-game sensitivity, achieving the same eDPI — but introduce more potential for input latency interpolation artefacts in some engines.
For 4K monitor users, double your current DPI setting to maintain equivalent cursor speed — a 1080p 800 DPI setup becomes 1600 DPI on 4K at the same feel. MOBA players (Dota 2, LoL) and RTS gamers typically prefer 1200–2400 DPI for faster cursor travel across a large game map.
Frequently Asked Questions
What is a good DPI for gaming?▼
Most professional FPS players use 400–800 DPI with a low in-game sensitivity. This gives precise, controlled crosshair movement. The average DPI across pro CS2 and Valorant players is around 400–800 DPI. High DPI (1600+) suits MOBA games, 4K monitors, and desktop use, but often hurts accuracy in precision shooters.
Does higher DPI mean better accuracy?▼
Not necessarily. Higher DPI means the cursor moves further per inch of physical mouse movement. Too high a DPI makes small movements overshoot your target. Many gaming mice ship with inflated DPI ratings (16,000+) but competitive players almost never use above 1600. The sweet spot for FPS gaming is 400–1600 DPI paired with an appropriate in-game sensitivity.
What is eDPI and how is it related to DPI?▼
eDPI (effective DPI) is your hardware DPI multiplied by your in-game sensitivity setting. For example, 800 DPI × 0.5 in-game sensitivity = 400 eDPI. eDPI lets you compare sensitivities across players regardless of hardware DPI. The average eDPI for pro CS2 players is around 800–1200. You can calculate your eDPI using our eDPI Calculator.
Why does my DPI checker result differ from my mouse software?▼
Small measurement errors are normal. Factors that affect accuracy include: not moving in a perfectly straight line, tiny hand tremors, the precision of your physical ruler, and browser pixel rounding. For the most accurate result, use a rigid ruler (not a flexible tape measure), move slowly and deliberately, and repeat the test 3 times and average the results. Differences of ±50 DPI from the rated value are typical.
How do I change my mouse DPI?▼
Most gaming mice have a DPI button that cycles through preset DPI levels (often 400, 800, 1600, 3200). You can also set exact DPI values in the manufacturer's software: Razer Synapse, Logitech G HUB, SteelSeries GG, Corsair iCUE, or Glorious CORE. Office mice usually have a fixed DPI set at the factory (often 1000–1200 DPI) and cannot be changed.
What DPI should I use for a 4K monitor?▼
A 4K monitor has four times as many pixels as a 1080p monitor, so you need roughly double the DPI or double the in-game sensitivity to achieve the same cursor speed. If you use 800 DPI on 1080p, consider 1600 DPI on 4K. Alternatively, keep 800 DPI and increase your Windows pointer speed or in-game sensitivity by a factor of ~1.5–2×.
Does Windows pointer speed affect DPI?▼
Yes. Windows mouse pointer speed (Settings → Bluetooth & Devices → Mouse → Pointer speed) acts as a multiplier on top of your hardware DPI. Additionally, if 'Enhance pointer precision' (mouse acceleration) is turned on, Windows dynamically changes cursor speed based on movement speed — something most competitive gamers disable. This DPI checker measures raw hardware DPI, independent of Windows pointer settings.
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