Reaction Time Test
Click when the screen turns green
Last
— ms
Avg (last 5)
— ms
Best
— ms
About Reaction Time Test
Test your reaction time. Wait for the screen to turn green, then click as fast as you can. Get the average of five attempts and see how you compare to the human average of around 250ms. Free, instant, no signup.
How to play
- Click anywhere to start. The screen turns red and waits.
- When the screen turns green, click as fast as you can.
- Click before the green appears and you'll get a "too soon" — try again.
What's a good reaction time?
The average human visual reaction time is around 250 milliseconds. Athletes and gamers can drift below 200 ms with practice. Anything under 150 ms is suspiciously fast — at that point you're guessing, not reacting.