Set an alarm for 3 Seconds

⏱ A countdown timer for 3 Seconds (3 seconds). Press Start and an alarm sounds when time is up.
3 Seconds Timer
0Minutes
:
3Seconds
Monday, November 9, 2026

Set a timer for another length

3 Seconds in other units

Seconds3
Milliseconds3,000
Minutes0.05
Hours0.001
Share of an hour0.08%
Share of a day0.003%
Fits into one day28,800 times

When does a 3 Seconds timer end?

StartEnds
6:00 AM6:00 AM:03
8:00 AM8:00 AM:03
9:00 AM9:00 AM:03
12:00 PM12:00 PM:03
3:00 PM3:00 PM:03
6:00 PM6:00 PM:03
9:00 PM9:00 PM:03

Press Start above and the finish time for right now is shown under the timer.

What can you do in 3 seconds?

Wash your hands — the CDC recommends scrubbing for at least 20 seconds.

Hold a plank or a stretch.

Take three slow, deep breaths.

Questions about the 3 seconds timer

How do I set a timer for 3 seconds?

Press Start on this page. The timer counts down 3 seconds and plays an alarm sound when it reaches zero. You can pause or reset it at any time.

How many seconds is 3 seconds?

3 Seconds is 3 seconds.