21 minutes and 51 seconds timer
Set a timer for 21 minutes and 51 seconds. Rings when it's done.
21:51
A countdown timer for 21 minutes and 51 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 51 seconds
- Have 2 showers
- Wash your teeth 10 times
- Read 10 pages of a book
- Walk 1.0925 miles
- Listen to Bohemian Rhapsody 3 times
- Change 10 light bulbs
- Water 21 plants
- Read 65 emails
- Watch 87 TikToks
- Read 1 book summary on Blinkist
- Blink 2,622 times
- Click this 8,193 times
In 21 minutes and 51 seconds...
- Your heart beats 1,311 times
- Light travels 243,846,185 miles
- Earth travels 24,909 miles around the Sun
- The International Space Station travels 6,239 miles
- Elon Musk earns $6,555,000
- 82,593,082 Google searches get made
- The U.S. national debt increases by $59,632
Popular timers
1 minute timer
2 minute timer
3 minute timer
4 minute timer
5 minute timer
6 minute timer
7 minute timer
8 minute timer
9 minute timer
10 minute timer
15 minute timer
20 minute timer
25 minute timer
30 minute timer
35 minute timer
40 minute timer
45 minute timer
45 minute timer
50 minute timer
55 minute timer
60 minute timer
Other timers
2 minutes and 11 seconds4 minutes and 48 seconds6 minutes and 43 seconds8 minutes and 20 seconds10 minutes and 27 seconds10 minutes and 43 seconds10 minutes and 47 seconds11 minutes and 40 seconds11 minutes and 54 seconds14 minutes and 50 seconds16 minutes and 39 seconds17 minutes and 48 seconds19 minutes and 36 seconds20 minutes and 3 seconds21 minutes and 38 seconds22 minutes and 38 seconds25 minutes and 6 seconds36 minutes and 5 seconds38 minutes and 24 seconds38 minutes and 45 seconds41 minutes and 54 seconds43 minutes and 26 seconds45 minutes and 51 seconds1 hours and 53 minutes2 hours and 28 minutes2 hours and 30 minutes9 hours and 8 minutes11 hours and 12 minutes13 hours and 44 minutes20 hours and 6 minutes
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.
How can I support you?
Bookmark timer.guru and share it on social media.