20 Second Timer

Free online 20-second timer for various tasks. Easy to use and customize. Start your countdown now!

00:00:20

How to use this 20 second timer

  1. Click “Start” to begin the 20-second countdown.
  2. An alert will notify you when 20 seconds have elapsed.
  3. Use the “Pause” button to temporarily halt the 20 second timer.
  4. Click “Reset” to restart the timer at 20 seconds.
  5. Adjust the duration using the dropdown menus for hours, minutes, and seconds.
  6. Toggle sound alerts using the “Sound” button.
  7. Enter fullscreen mode by clicking the “Fullscreen” button.

Popular applications for a 20 second timer

  1. Fitness: Timing short sprints or holds.
  2. Breathing exercises: Structured breathing cycles.
  3. Games: Timing quick actions or decisions.
  4. Presentation: Timing brief pauses or transitions.
  5. Cooking: Timing precise actions.

Interesting 20 second facts

In just 20 seconds…

  • The human heart beats about 20 times.
  • Approximately 1.6 million Google searches are conducted.
  • Lightning strikes the Earth about 220 times.

Time equivalents

A 20-second timer is equivalent to:

  • 0.005556 hours
  • 0.333333 minutes
  • 20,000 milliseconds

For a comprehensive time equivalent, including microseconds, nanoseconds, days, weeks, months, and years, please visit our Time Conversion Tool.

Explore our other timers: 21 Second Timer | 43 Second Timer | 20 Minute Timer

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