Math Worksheets

Online Countdown Timer

To set the countdown timer, enter a countdown time in the box at the center of the timer.
You can enter countdown times as any number of seconds or in MM:SS or HH:MM:SS format.
When you are ready to start the timer, click this button. You can also use buttons here to pause the timer, end the timer early or reset the timer.
Use these settings to select what sounds play at different points when the countdown timer is running.
When the countdown timer is set just the way you want it, save this URL to return with exactly these settings.
If you’d like to instantly set the countdown timer to a few common times, just click any of these buttons!

Configure the Countdown Timer:

Start Countdown:
End Countdown:
Half Done:
Almost Done:

Share this Timer:

Set Timer:

Quickly set a countdown timer for minutes...

Set Timer for 1 Minute
Set Timer for 2 Minutes
Set Timer for 3 Minutes
Set Timer for 5 Minutes
Set Timer for 10 Minutes
Set Timer for 12 Minutes
Set Timer for 15 Minutes
Set Timer for 20 Minutes
Set Timer for 25 Minutes
Set Timer for 30 Minutes

Using the Online Timer

It’s not hard to find a countdown timer online, but if you’re looking for the best countdown timer on the Internet, then you’ve found it! This online timer is great for use as a classroom timer, cooking timer, test timer or any other type of countdown timer you can think of.

This online timer will countdown a time you enter in seconds, MM:SS or HH:MM:SS format. You can choose a sound that will play when the countdown timer starts, one that plays when the countdown reaches the halfway mark, one that plays when the timer is near the end, and a final sound that plays when the countdown timer expires.

You can easily set the countdown timer to frequently used minutes by clicking the “Set Timer for xx minute” buttons.

Sharing the Online Timer

When the countdown timer is configured exactly the way you need it, you can share the timer online with someone or return to it by copying the URL. If you find this online timer is useful, saving a link on your website or classroom page would be a great way to help others find the timer and would be much appreciated!

If you are looking for printable math fact worksheets to practice using this timer, be sure to check out my addition worksheets, subtraction worksheets, multiplication worksheets and division worksheets pages.

Online Countdown Timer