15-Minute Timer
A 15-minute timer fits a proper screen break, a reading sprint, one-room tidy or short revision block. A quarter hour is easy to schedule and long enough to deliver a visible result without turning into an open-ended session.
Tip: press Space to start or pause, R to reset, F for full screen.
This page opens at 15:00 and targets a fifteen-minute break or focused sprint. Press Start for a full-screen countdown with pause, alarm and loop controls.
Is a 15-Minute Timer the Right Length?
Best for: screen breaks, reading, room resets, revision and short home workouts.
Choose another length for: deep project work or a break likely to require travel and setup.
Use 20 minutes for a power nap or 25 minutes for a classic Pomodoro focus block.
A fifteen-minute reset
| Stage | Time | What to do |
|---|---|---|
| Prepare | 1 min 30 sec | Spend the opening minutes changing environment or setting the task. |
| Main block | 12 minutes | Use the central block for uninterrupted action or real rest. |
| Finish | 1 min 30 sec | Use the final minutes to finish and return ready for what follows. |
How to Set a Timer for 15 Minutes
Starting this countdown takes one click. The clock is already set to 15:00. Here is the full flow, including pausing, looping and full screen.
- Open the presetThe countdown already shows 15 minutes (15:00), so no duration entry is needed.
- Use it for a fifteen-minute break or focused sprintSpend the opening minutes changing environment or setting the task.
- Follow the finish cueUse the final minutes to finish and return ready for what follows.
Duration and Clock Conversion
This duration spans 900 seconds in total.
That's a clean 15 minutes - About 25% of an hour.
However you measure it, the 15-minute countdown tracks the same span and reaches zero at the scheduled finish time. Alarm sound requires the page to remain open and the browser to permit audio.
| Seconds | 900 |
|---|---|
| Minutes | 15 |
| Hours | 0.25 |
| Clock (h:mm:ss) | 0:15:00 |
The Best Timer Lengths for Studying (and Why)
How long should you study before a break? A guide to 15, 25, 45 and 90-minute study blocks, matched to the task, your focus and the subject.
Read the guide →Related Minute Timers
Questions About This Duration
What is a 15-minute timer best used for?
Is 15 minutes the right timer length for every task?
What timer should I use instead of 15 minutes?
Can a browser delay the countdown display?
Need this countdown on another page? Create an embeddable timer with your preferred title, theme and size.