21 minutes and 3 seconds timer
Set a timer for 21 minutes and 3 seconds. Rings when it's done.
21:03
A countdown timer for 21 minutes and 3 seconds. Press the "Start" button to start the timer. The timer will alert you when it expires. You can reset the timer at any time using the "Reset" button. You can also pause the timer at any time using the "Pause" button.
Custom timer
Hours
Minutes
Seconds
Things you can do in 21 minutes and 3 seconds
- Have 2 showers
- Wash your teeth 10 times
- Read 10 pages of a book
- Walk 1.0525 miles
- Listen to Bohemian Rhapsody 3 times
- Change 10 light bulbs
- Water 21 plants
- Read 63 emails
- Watch 84 TikToks
- Read 1 book summary on Blinkist
- Blink 2,526 times
- Click this 7,893 times
In 21 minutes and 3 seconds...
- Your heart beats 1,263 times
- Light travels 234,918,178 miles
- Earth travels 23,997 miles around the Sun
- The International Space Station travels 6,011 miles
- Elon Musk earns $6,315,000
- 79,569,079 Google searches get made
- The U.S. national debt increases by $57,448
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Frequently asked questions
Why do I need a timer?
If you're here, you probably already need it for something. In any case, timers are useful any time you need to perform a certain action for a specific amount of time. The timer alerts you when that time period is over.
How do I know when the timer is up?
When the timer is up, we'll play a 2 second alert and the timer will blink red. We'll also update the timer in the page title, so you will instantly see it even if you have multiple browser tabs open.
Can I use it on my phone?
Yes, it works on any device with a browser.
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