Mouse Tester

Test buttons, scroll, polling rate, DPI and accuracy.

Polling rate

Move the mouse fast. Gamers look for 500 Hz or more.

Move in steady circles inside the box below.

0 HzNo signal yetMove the mouse to start measuring.

Now: 0 Hz

Average: 0 Hz

Median: 0 Hz

Peak: 0 Hz

Interval: -

Browsers batch motion events. Circles give the fairest number.

Buttons

Click inside the area below with any button.

Click here with any button

0/5 Tested

  • Left0 clicksNot yet
  • Middle0 clicksNot yet
  • Right0 clicksNot yet
  • Back0 clicksNot yet
  • Forward0 clicksNot yet

Double-clicks: 0

Time from press to screen update, measured in your browser. Lower is better — compare mice on the same computer.

Click latency: Click the pad above to measure.

Scroll wheel
Hover here and roll the wheel. The page stays put.

Up: 0

Down: 0

DPI check
  1. Mark a straight line on your desk (a ruler helps) and type its length below.
  2. Optional: type the DPI your mouse claims, to compare against reality.
  3. Press start, then move inside the DPI box below along that line in one smooth motion.
  4. Press stop. Actual DPI is pixels traveled divided by inches moved.

For a fair number, turn off pointer acceleration (Windows: uncheck Enhance pointer precision, slider in the middle) and use a longer distance.

Press start, then move inside this box in one smooth line.Only movement inside this box counts. The click pad, scroll box and targets do not affect the result.
Accuracy

Hit 10 targets as fast as you can. They shrink with every hit. Misses count too.

Test every part of your mouse

  1. Click the pad with each button and scroll both ways to confirm they respond.
  2. Measure DPI by moving a known distance, or run the polling check.
  3. Play the accuracy round to compare mice or settings.

Good to know

What is polling rate?

How often the mouse reports its position per second. 125 Hz is office standard, 500 to 1000 Hz is common in gaming.

How do I measure DPI correctly?

Move in one straight line, measure the real distance with a ruler and type it in. Short swipes give noisy results.

Right click opens a menu instead of testing?

Use the click pad: the menu is blocked there so the right button counts normally.

Does the browser limit precision?

Some smoothing and acceleration come from the OS. Compare mice in the same setup for fair results.