21 minutes timer
Set a timer for 21 minutes. Rings when it's done.
21:00
A countdown timer for 21 minutes. 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
- Have 2 showers
- Wash your teeth 10 times
- Read 10 pages of a book
- Walk 1.05 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 2,520 times
- Click this 7,875 times
In 21 minutes...
- Your heart beats 1,260 times
- Light travels 234,360,178 miles
- Earth travels 23,940 miles around the Sun
- The International Space Station travels 5,997 miles
- Elon Musk earns $6,300,000
- 79,380,079 Google searches get made
- The U.S. national debt increases by $57,312
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 32 seconds3 minutes and 20 seconds7 minutes and 28 seconds8 minutes and 24 seconds8 minutes and 45 seconds9 minutes and 24 seconds15 minutes and 3 seconds18 minutes and 47 seconds22 minutes and 20 seconds24 minutes and 9 seconds25 minutes and 37 seconds27 minutes and 16 seconds27 minutes and 50 seconds29 minutes and 38 seconds34 minutes and 21 seconds35 minutes and 10 seconds36 minutes and 38 seconds37 minutes and 42 seconds40 minutes and 56 seconds54 minutes and 7 seconds55 minutes and 19 seconds59 minutes and 31 seconds2 hours and 30 minutes4 hours and 58 minutes5 hours and 19 minutes8 hours and 36 minutes11 hours and 50 minutes11 hours and 58 minutes16 hours and 32 minutes20 hours and 11 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.