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
- Click “Start” to begin the 20-second countdown.
- An alert will notify you when 20 seconds have elapsed.
- Use the “Pause” button to temporarily halt the 20 second timer.
- Click “Reset” to restart the timer at 20 seconds.
- Adjust the duration using the dropdown menus for hours, minutes, and seconds.
- Toggle sound alerts using the “Sound” button.
- Enter fullscreen mode by clicking the “Fullscreen” button.
Popular applications for a 20 second timer
- Fitness: Timing short sprints or holds.
- Breathing exercises: Structured breathing cycles.
- Games: Timing quick actions or decisions.
- Presentation: Timing brief pauses or transitions.
- 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