30 Second Timer

Free online 30-second timer for various tasks. Easy to use and customize. Start your countdown now!

00:00:30

How to use this 30 second timer

  1. Click “Start” to begin the 30-second countdown.
  2. An alert will notify you when 30 seconds have elapsed.
  3. Use the “Pause” button to temporarily halt the 30 second timer.
  4. Click “Reset” to restart the timer at 30 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 30 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 30 second facts

In just 30 seconds…

  • The human heart beats about 30 times.
  • Around 300,000 tweets are posted.
  • A person blinks about 7 times.

Time equivalents

A 30-second timer is equivalent to:

  • 0.008333 hours
  • 0.500000 minutes
  • 30,000 milliseconds

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

Explore our other timers: 31 Second Timer | 53 Second Timer | 30 Minute Timer

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