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12 Second Timer

Sound / Message

Sound plays when the timer ends.

This is a ready-to-use 12 seconds countdown timer. Press Start and an alarm sounds after 12 seconds. You can change the time, the sound and the message at any time.

12 seconds in other units

Need to know exactly how long the 12 seconds timer runs? Here is the same duration expressed in other units of time:

  • 12 seconds = 0.2 minutes

What can you use a 12 seconds timer for?

A 12 seconds countdown is a handy time box. Here are a few common ways people use it:

  • A quick stretch or posture reset between tasks.
  • A plank or wall-sit hold, where every second counts.
  • A slow breathing exercise to calm down before a call or an exam.

How to use the 12 seconds timer

  • Press Start. The countdown for 12 seconds begins right away.
  • Press Pause if you need to stop, then Resume to carry on from where you left off.
  • When time is up an alarm sounds and your message appears. Press Stop to silence it.
  • Want a different length? Change the hours, minutes or seconds before you press Start.

Nearby timers

Frequently asked questions

How many seconds are 12 seconds?

12 seconds equal 12 seconds, which is 0.2 minutes or 0 hours.

Will the 12 seconds timer keep running if I switch tabs?

Yes. The countdown is based on your device clock, so it stays accurate when the tab is in the background. Keep the tab open and your device awake so the alarm can sound.

Can I pause the 12 seconds timer and resume it later?

Yes. Press Pause to stop the countdown and Resume to continue with the remaining time. Reset takes you back to the start.

Can I change the alarm sound?

Yes. Open the Sound / Message settings under the timer to pick a sound, preview it and add a custom message. Your choice is remembered in your browser.

Timers

minutes

hours

seconds

days