30 minutes and 21 seconds timer
Set a timer for 30 minutes and 21 seconds. Rings when it's done.
30:21
A countdown timer for 30 minutes and 21 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 30 minutes and 21 seconds
- Have 3 showers
- Wash your teeth 15 times
- Watch 1 episode of Friends
- Read 15 pages of a book
- Walk 1.5175 miles
- Listen to Bohemian Rhapsody 5 times
- Change 15 light bulbs
- Water 30 plants
- Read 91 emails
- Watch 121 TikToks
- Plant 1 tree
- Plant 1 tree
- Read 2 book summaries on Blinkist
- Blink 3,642 times
- Click this 11,381 times
In 30 minutes and 21 seconds...
- Your heart beats 1,821 times
- Light travels 338,706,257 miles
- Earth travels 34,599 miles around the Sun
- The International Space Station travels 8,667 miles
- Elon Musk earns $9,105,000
- 114,723,114 Google searches get made
- The U.S. national debt increases by $82,830
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
3 minutes and 17 seconds11 minutes and 16 seconds12 minutes and 36 seconds14 seconds15 minutes and 43 seconds15 minutes and 52 seconds18 minutes and 38 seconds20 minutes and 15 seconds22 minutes and 58 seconds24 minutes and 21 seconds28 minutes28 minutes and 9 seconds30 seconds31 minutes and 38 seconds33 minutes and 18 seconds36 minutes and 58 seconds45 minutes and 44 seconds46 minutes and 5 seconds47 minutes and 12 seconds49 minutes and 47 seconds53 minutes and 55 seconds59 minutes and 54 seconds5 hours and 51 minutes9 hours and 5 minutes9 hours and 11 minutes11 hours and 27 minutes12 hours and 6 minutes13 hours and 42 minutes17 hours and 45 minutes19 hours and 54 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.