What it measures
Check mouse movement rates observed by your browser: current, average and peak Hz, sampling method and valid intervals. USB settings are not directly verified.
Mouse Report Rate Check
Mouse Polling Rate Test
Check mouse movement rates observed by your browser: current, average and peak Hz, sampling method and valid intervals. USB settings are not directly verified.
Live, Average & Peak Hz
125–8000 Hz reference rates
Real-Time Chart
Honest About Browser Limits
Not started
Current
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Average
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Peak
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Nearest reference rate
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Press Start, then move your mouse here
Keep the pointer inside this box and keep it moving. Readings pause when the mouse stops.
Each Start begins a new sample. Switching tabs or windows stops it. Only one primary mouse pointer is counted per run.
Why readings vary
- DPI: at low DPI a slow movement may not change the position at every report, so fewer reports are counted. Use 1600 DPI or higher while testing.
- Only movement events exposed by the browser are measured. Pauses, slow movement and event batching affect the observed rate.
- Browser: some browsers deliver at most one movement event per screen refresh. The method line above shows which mode this browser supports.
- Computer load and display: a busy CPU, power saving or a low refresh rate can delay events and lower very high readings (4000–8000 Hz).
- Connection: USB hubs, front-panel ports and weak wireless signals can cap or disturb the rate. Plug the mouse or receiver straight into the computer.
How to compare readings
- Use Chrome or Edge on a computer, and close other heavy tabs.
- Set a high DPI (1600 or more) temporarily in the mouse software.
- Move the mouse in quick, smooth circles for 5–10 seconds without stopping, then read the average.
About the Mouse Polling Rate Test
• Polling rate is how often the mouse sends its position to the computer: 125 Hz means every 8 ms, 1000 Hz every 1 ms, 8000 Hz every 0.125 ms.
• The test counts the movement reports your browser receives and divides by the time they span, so you see the rate while the mouse is actually moving.
• Raw and coalesced event paths include the available intermediate samples. Browser scheduling, timestamp precision and device movement still limit the result.
• The nearest reference is chosen from 125, 250, 500, 1000, 2000, 4000 and 8000 Hz. It is a comparison label, not a detected hardware setting; basic mode omits it.
• A lower observed rate can reflect movement, event delivery or system conditions. Compare repeated runs with the same setup; neither a peak nor a reference label proves the device setting.
• Raw pointer events stay in this browser. Enabled site analytics receives test summaries, not movement coordinates or event histories.
Polling rate, latency and what the numbers mean
Polling rate is one link in the chain between your hand and the screen. These notes explain what it affects, what it costs and how to set it.
For a fair reading, test with the mouse plugged straight into the computer (or its receiver on a short extension), at high DPI, in Chrome or Edge.
Polling rate and latency
A report every 8 ms (125 Hz) can add up to 8 ms of delay before movement is seen; 1000 Hz cuts that to 1 ms. Sensor, game engine and display latency still apply, so higher rates help less than the numbers suggest.
CPU load and battery
Each report is work for the computer. 4000–8000 Hz can raise CPU use and cause stutter in some games, and wireless mice drain faster. If you notice problems, drop to 1000 or 2000 Hz.
How to set it in the driver
Change the report rate in the manufacturer's software, then compare repeated runs here under the same conditions. This page cannot confirm the actual USB setting.
Browser and device limits
Touch and pen events are excluded. Some trackpads expose mouse events. Basic mode is limited by browser event delivery and should not be used to identify a gaming mouse's hardware rate.
Mouse Polling Rate Test FAQ
What polling rate means, how accurate a browser test is, and how to change it
Is a browser polling rate test accurate?
This is a browser observation, not a USB measurement. Raw or coalesced events can reveal more samples, but device movement, browser timing and computer load affect accuracy.
Why does my 1000 Hz mouse show 800–950 Hz?
A lower observed rate can reflect movement, event delivery or system conditions. Compare repeated runs with the same setup; neither a peak nor a reference label proves the device setting.
Does a higher polling rate reduce input lag?
Yes, but only the part caused by waiting for the next report: at 125 Hz that wait can be up to 8 ms, at 1000 Hz up to 1 ms. Beyond 1000 Hz the gain is well under a millisecond, and the smoothness gain matters most on high refresh rate monitors.
Is a higher polling rate bad for my computer?
4000 and 8000 Hz can use noticeably more CPU, and some older games stutter at those rates. 1000 Hz is a safe default for gaming. Wireless mice at high rates also use more battery.
How do I change my mouse polling rate?
Open the mouse maker's software (for example Logitech G HUB, Razer Synapse or SteelSeries GG) and look for polling rate or report rate. Some mice have a button on the bottom. Office mice usually run at a fixed 125 Hz.
Need More Help?
If your results look strange or you are unsure what they mean, contact our support team.
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