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Hold and drag your mouse in circles around the pad. Every 360° counts as one spin. 30-second timer, peak spins-per-second tracker, direction indicator.
Mouse Spin Test is a free, browser-based mouse testing tool that lets you counts full 360-degree rotations over a fixed time window, reports peak spins-per-second and direction (clockwise or counter-clockwise).
A mouse spin test asks one question: how many full 360-degree rotations can you make with your mouse in a fixed amount of time? Each rotation is measured as a complete angular sweep around a reference point — in this tool, the center of the tracking pad. Every full turn is one "spin." The score is a fun benchmark for sensor tracking speed, grip style, and wrist mobility.
The tool treats the pad's center as the origin. When you hold the mouse button down and drag, each pointermove event computes the angle from the center to your current cursor position using Math.atan2. The difference between consecutive angles (wrapped to [-180, 180] to handle the discontinuity at ±180°) is accumulated. When the total absolute rotation exceeds 360°, you've completed one full spin. Sign indicates direction: positive = clockwise, negative = counter-clockwise.
Spins-per-second is computed over a rolling 1-second window. The tool tracks every angular delta with its timestamp, sums the last 1000 ms of absolute degrees, and divides by 360. Peak SPS is the maximum that number ever reached during your run. Most humans top out at 2-3 SPS with mouse acceleration off; competitive Kovaak spin-flickers can hit 4+.
If your mouse sensor has a "max tracking speed" (IPS) lower than your physical speed, the sensor momentarily stops reporting motion — this is the spin-out bug. Budget optical sensors stop at 50-100 IPS; flagship sensors like the PMW3389 or PAW3395 handle 400-650 IPS, which is effectively impossible to exceed by hand. If your spin count hits a plateau suddenly mid-round, your sensor is probably capping out. For the full diagnosis and repair path — spin-out vs drift vs jitter, the in-game confirmation routine, and every fix from mousepad to firmware — read the mouse spinning out guide. Not sure what your sensor is set to? Run the DPI analyzer to measure the DPI your mouse is actually reporting before you blame spin-out.
Mouse Spin Test FAQ
Check mouse buttons, scroll wheel, cursor movement, and responsiveness
Measure your click speed (CPM or CPS) with timed tests
Test DPI, sensitivity, and tracking accuracy
Visualize mouse movement trails and precision
Detect unintended or phantom clicks
Check if your gaming mouse runs at 125Hz, 500Hz, 1000Hz or higher
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