15 Minutes Timer
Free online 15 minutes countdown timer with alarm
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Space Start / PauseR ResetF Fullscreen
About 15 minutes
| Total minutes | 15 |
| Total seconds | 900 |
| Milliseconds | 900,000 |
What can you do in 15 minutes?
- Speed clean one room
- Read a blog post
- Do a quick sketch
FAQ
How do I set a 15 minutes timer?
Click the Start button above. The timer is already pre-set to 15 minutes. It counts down and plays an alarm when it reaches zero. You can pause, resume, or reset at any time.
Does it work in the background?
Yes. Switch tabs freely — the browser tab title shows remaining time (e.g., "15:00 - Timer"). The alarm sounds when done.
How many seconds is 15 minutes?
15 minutes = 900 seconds.