Reaction time in milliseconds
After you start, the box turns green after a random wait. Click as fast as you can. The tool shows your last time, your best and your average. Typical values are between 200 and 300 milliseconds.
Reaction Time Test
Test your reaction speed. Click as soon as the box turns green — your reaction time is measured in milliseconds.
Last—
Best—
Average—
Attempts0
What affects your reaction time
Your measured reaction time depends not only on you but also on your mouse, input lag and your monitor’s refresh rate. A faster screen and a responsive mouse can noticeably improve the numbers.
Frequently asked questions
What is a good reaction time?
Typically 200–300 milliseconds. Below that is very fast.
Does my monitor affect the result?
Yes. Refresh rate, input lag and your mouse all matter — a faster screen noticeably improves the measured time.