4 hours and 21 minutes timer
Set a timer for 4 hours and 21 minutes. Rings when it's done.
04:21:00
A countdown timer for 4 hours and 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 4 hours and 21 minutes
- Have 32 showers
- Wash your teeth 130 times
- Watch 11 episodes of Friends
- Read 130 pages of a book
- Walk 13 miles
- Listen to Bohemian Rhapsody 43 times
- Watch Titanic 1 time
- Change 130 light bulbs
- Water 261 plants
- Read 783 emails
- Watch 1,044 TikToks
- Plant 8 trees
- Plant 8 trees
- Read 17 book summaries on Blinkist
- Blink 31,320 times
- Click this 97,875 times
In 4 hours and 21 minutes...
- Your heart beats 15,660 times
- Light travels 2,912,762,213 miles
- Earth travels 297,540 miles around the Sun
- Your body produces 4 oz of saliva
- The International Space Station travels 74,536 miles
- Elon Musk earns $78,300,000
- 986,580,986 Google searches get made
- The U.S. national debt increases by $712,310
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 23 seconds3 minutes and 57 seconds4 minutes and 5 seconds10 minutes and 2 seconds16 minutes and 43 seconds18 minutes and 19 seconds20 minutes and 51 seconds22 minutes and 9 seconds24 minutes and 38 seconds28 minutes and 54 seconds30 minutes and 34 seconds34 minutes and 27 seconds42 minutes and 26 seconds46 minutes and 50 seconds52 minutes and 26 seconds58 minutes and 17 seconds1 hours and 13 minutes1 hours and 39 minutes4 hours5 hours and 4 minutes7 hours and 25 minutes7 hours and 43 minutes14 hours and 20 minutes15 hours and 17 minutes16 hours and 10 minutes17 hours and 11 minutes17 hours and 19 minutes18 hours and 22 minutes18 hours and 29 minutes19 hours and 7 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.