3 hours timer
Set a timer for 3 hours. Rings when it's done.
03:00:00
A countdown timer for 3 hours. 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 3 hours
- Have 22 showers
- Wash your teeth 90 times
- Watch 7 episodes of Friends
- Read 90 pages of a book
- Walk 9 miles
- Listen to Bohemian Rhapsody 30 times
- Change 90 light bulbs
- Water 180 plants
- Read 540 emails
- Watch 720 TikToks
- Plant 6 trees
- Plant 6 trees
- Read 12 book summaries on Blinkist
- Blink 21,600 times
- Click this 67,500 times
In 3 hours...
- Your heart beats 10,800 times
- Light travels 2,008,801,526 miles
- Earth travels 205,200 miles around the Sun
- Your body produces 3 oz of saliva
- The International Space Station travels 51,404 miles
- Elon Musk earns $54,000,000
- 680,400,680 Google searches get made
- The U.S. national debt increases by $491,248
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 10 seconds5 minutes and 60 seconds8 minutes and 40 seconds9 minutes and 45 seconds11 minutes and 32 seconds13 minutes and 54 seconds14 minutes and 41 seconds19 minutes and 23 seconds20 minutes and 11 seconds21 minutes and 51 seconds29 minutes and 43 seconds30 minutes and 13 seconds30 minutes and 21 seconds37 minutes and 44 seconds40 minutes and 37 seconds44 minutes and 58 seconds48 minutes and 25 seconds49 minutes and 32 seconds50 minutes and 3 seconds50 minutes and 30 seconds50 minutes and 32 seconds51 minutes and 43 seconds58 minutes and 20 seconds1 hours and 29 minutes8 hours and 25 minutes8 hours and 43 minutes17 hours and 1 minutes18 hours and 53 minutes19 hours and 40 minutes20 hours and 43 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.