How to use the 30 minute timer
- The timer is already set to thirty minutes. Press Start or the space bar.
- Pause and resume with the same button, or tap ＋1 min if you need longer.
- When time is up, the alarm sounds, the screen flashes and phones vibrate. Pick the alarm sound below the timer.
- Use ⛶ for full screen so everyone in the room can see it.
What a thirty minutes timer is good for
Half an hour is the length of many workouts, TV-length study sessions, meetings and meal-prep steps. Health guidelines recommend at least 150 minutes of moderate exercise a week, which is 30 minutes on five days. In the kitchen, 30 minutes covers many casseroles, rice in the oven and resting time for steak or dough.
The countdown is measured against the clock, so it stays accurate in a background tab, and the remaining time shows in the tab title. Need a different length? Tap one of the quick times or type your own. Everything runs in your browser with no app or sign-up.
FAQ
How much exercise should I do a day?
At least 150 minutes of moderate activity a week is recommended for adults, for example 30 minutes on five days.
Will the alarm go off if my phone screen locks?
Keep the screen on for the alarm to sound reliably; many phones pause web pages when locked. The timer tries to keep the screen awake while it runs.
Can I pause the timer?
Yes. Press Pause and then Resume. Reset starts it again from thirty minutes.