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
1 minutes and 22 seconds1 minutes and 52 seconds2 minutes and 48 seconds4 minutes and 24 seconds5 minutes and 56 seconds6 minutes and 6 seconds9 minutes and 14 seconds12 minutes and 16 seconds15 minutes and 39 seconds21 minutes and 48 seconds25 minutes and 44 seconds32 minutes and 47 seconds35 minutes and 34 seconds36 minutes and 38 seconds40 minutes and 9 seconds47 minutes and 56 seconds50 minutes and 46 seconds51 minutes and 55 seconds54 minutes and 16 seconds54 minutes and 40 seconds59 minutes and 3 seconds59 minutes and 52 seconds2 hours and 18 minutes4 hours and 48 minutes7 hours and 32 minutes8 hours and 26 minutes11 hours and 48 minutes12 hours and 25 minutes15 hours and 52 minutes19 hours and 40 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.