DPI (dots per inch) — sometimes called CPI — is how many movement counts your mouse reports for every inch you physically move it. Higher DPI moves the cursor (and your in-game aim) farther for the same hand motion. It is set in your mouse, not the game; the game multiplies it by your in-game sensitivity to give eDPI.

How does the DPI analyzer measure my DPI?

You tell us the distance you are about to move (e.g. 20 cm, marked with a ruler), then move the mouse that far while the browser captures the raw movement counts. DPI = counts ÷ inches. On Chromium browsers we read unadjusted hardware counts that bypass Windows pointer settings, so the reading is accurate without changing anything.

How accurate is the DPI analyzer?

Within a few percent when you measure carefully. Accuracy depends entirely on how precisely you move the marked distance, so use a ruler, move in one straight line, and pick a longer distance (20–30 cm). Taking two or three readings and using the average tightens it further. The result is meant to identify your DPI step (e.g. 800), not certify it to the unit.

Why doesn't my measured DPI exactly match my mouse software?

Two reasons. First, measurement error — a slightly short or long physical move shifts the number. Second, if your browser captured OS-adjusted movement (Firefox/Safari) with Windows pointer acceleration on, the count is distorted. If your mouse software (Logitech G HUB, Razer Synapse, etc.) shows a DPI, trust that exact figure; this tool is for when you cannot access it.

Can I find my DPI without mouse software?

Yes — that is exactly what this tool is for. Office mice and many gaming mice with onboard memory do not show their DPI anywhere on screen. Measuring it in the browser against a known distance recovers it without installing anything.

What is eDPI and why does it matter?

eDPI (effective DPI) is sensitivity × DPI. It is a single number that describes your actual in-game rotation speed regardless of which slider you tweaked. Comparing eDPI between players is more useful than comparing raw sensitivity, because two players with different DPI and different sens can share the same feel.

Is SensLab really free?

Yes — the core converter, crosshair generator, pro presets, and pro comparison tables are permanently free. We use Vercel's cookieless analytics to count page views; no ads, no sign-up, no personal data collection.

Mouse DPI Analyzer

Measure your real mouse DPI in the browser — move the mouse a measured distance, we read the raw hardware counts. No software, no sign-up.

Distance unit

Distance you'll move (cm)

Quick pick

Mark this distance on your desk with a ruler (or use your mousepad edge). A longer move is more accurate — 20 cm or more is ideal.

In short: mark a distance on your desk with a ruler, move the mouse that far, and SensLab reads the raw movement counts to compute your DPI (counts ÷ inches). On Chrome/Edge it bypasses Windows pointer settings for an accurate reading — no software, no sign-up.

How do I find my mouse DPI?

If your mouse has software — Logitech G HUB, Razer Synapse, SteelSeries GG — it shows your DPI exactly; use that. If you have an office mouse, a borrowed setup, or a gaming mouse with onboard memory and no app, you can recover it by measurement: move the mouse a known physical distance and divide the raw counts by the inches travelled. That is what the tool above does — you supply the distance (the one thing a browser can’t know), it supplies the counts.

What is DPI, and how is it different from eDPI?

DPI (dots per inch) is a hardware setting in the mouse — counts reported per inch of motion. In-game sensitivity is a software multiplier on top. Multiply them and you get eDPI (effective DPI = DPI × sensitivity) — the number pros actually compare, because it captures true aim speed regardless of which DPI/sens combo produced it.

Common mouse DPI values

Most FPS pros play on 400 or 800 DPI and adjust feel with in-game sens — low DPI is less prone to sensor jitter and gives finer control. 1600 is common among higher-sensitivity players. Office and default settings often sit at 1000 or 1200. If your measured value lands near one of these, that is almost certainly your real setting.

Once you know your DPI

Feed it into the sensitivity converter to match your aim across games, or check your cm/360° — the true measure of how far you turn per swipe. The Use in converter button above carries your result over automatically.

Mouse DPI Analyzer

How do I find my mouse DPI?

What is DPI, and how is it different from eDPI?

Common mouse DPI values

Once you know your DPI

Frequently Asked Questions