The 10 Second Reaction Time Test is a tool that measures how close you can stop the stopwatch to exactly 10 seconds. You can use it right below.

Timer Matching Game | Challenge Yourself to 10 Seconds!

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How to Use

  • When you press the “Start” button, it will change to a “Stop” button.
  • Stopwatch
  • Restart button
  • Error margin
  • Average error margin over 5 attempts
  • Records for 5 attempts