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Reaction Time Quiz

Wait for green, then tap as fast as you can. Five goes, one honest average.

How fast are your reflexes, really? This quick quiz measures the gap between seeing a change and reacting to it, in milliseconds. You will get five goes, and we average them so one lucky tap does not flatter you. It is a fun measure of alertness, and it dips when you are tired, so it doubles as a gentle check-in.

  • 5 trials
  • ~1 minute
  • Free no sign-up

What your reaction time means

Your score is the average of 5 attempts, measured in milliseconds from the moment the panel changes colour. A typical adult sits somewhere in the middle of these bands.

Lightning fast
Top tier. That is quicker than most people you know.
Really quick
Faster than a typical adult reaction. Sharp reflexes.
Right on the money
Bang in the healthy average range for an adult.
A touch relaxed
A little slower than average. Screens and tiredness both play a part.
Worth another run
Slower than usual today. A quick reset and another go often helps.

Reaction time varies with sleep, caffeine, screen latency and practice, so a single run is a snapshot rather than a measurement of you.

A light measure of alertness and reflexes. It naturally varies with sleep and screen time, so treat it as a bit of fun.

Read next: why sleep changes everything →