What Is a 30-Minute Timer Used For?
A 30 minute timer gives you half an hour of uninterrupted time. It's a common alternative to the 25 minute Pomodoro: a 30/5 rhythm fits neatly into the clock, so two rounds take about an hour. It's also a go-to length for cooking, exercise and homework blocks.
Homework or study block
Thirty minutes of focus, then a 5 minute break. Two rounds make a solid hour.
Cooking
Roasting vegetables, baking or letting dough rest: set it and stop checking the clock.
Exercise
Half an hour is a full workout for most routines.
Meeting prep
Block 30 minutes before a meeting or exam to review your notes.
How to Use This Timer
- Press the Start button (the countdown also shows in your browser tab).
- Pick an alarm sound on the side panel. Click a sound to preview it.
- Keep the tab open. The alarm plays when the timer reaches 00:00, even in a background tab.
- Press Reset to run it again, or open the full list of timers for another length.
💡 30/5: Pomodoro that fits the clock
If 25 minutes feels too short, try 30 minutes of work and a 5 minute break. Starting at :00 and :35 keeps your sessions lined up with the hour. After three or four rounds, take a longer 15–30 minute break.
Frequently Asked Questions
How many seconds are in 30 minutes?
30 minutes is 1,800 seconds.
Is 30 minutes better than 25 minutes for focus?
Neither is better for everyone. 25 minutes is the classic Pomodoro; 30 minutes suits people who need a bit more warm-up time. Try both and keep the one you finish more often.
Does the timer keep running if I switch tabs?
Yes. It's based on the clock, so it stays accurate in a background tab, and the alarm plays when it ends.
Can I go full screen?
Yes, use your browser's full-screen mode (F11 on Windows, Ctrl+Cmd+F on Mac).
Is this 30 minute timer free?
Yes, completely free. No signup and no ads in the timer.
Related Timers
Need a different length? See all free online timers.