30 Minute Timer

A half hour countdown with alarm, ready to start.

Runs in your browser. Your files never leave your device.

How do I start a 30 minute timer?

The timer on this page is already set to 30 minute. Press Start and it counts down in large numbers, with an alarm when the time is up. You can pause, add a minute or go full screen. FixDoks's 30 Minute Timer runs in your browser with nothing to install.

30 Minute Timer at a glance

Preset30 minute
ControlsStart, pause, reset, +1 minute, full screen
AlarmBeeps when time is up
ProcessingIn your browser; your files are not uploaded
PriceFree
Works onChrome, Edge, Safari and Firefox on Windows, Mac, Android and iPhone

How to use 30 Minute Timer

  1. The timer is set to 30 minute. Press Start, or the Space bar.
  2. Use Pause if you are interrupted, or +1 min to add time.
  3. Press Full screen to show the countdown large on a phone, laptop or projector.
  4. When the alarm sounds, press Restart to run it again, or pick another length below the timer.

Thirty minutes: a workout, a study session or a deep work block

Thirty minutes is a common length for exercise sessions, focused study and meetings. This timer is set to 30:00. It is long enough for something substantial, but short enough to fit into most days.

Shaping a thirty minute workout

Many general health guidelines encourage regular moderate activity, and 30 minutes is a frequently mentioned session length. A simple structure can help:

  • Warm up (about 5 minutes): easy movement such as marching on the spot or gentle arm circles.
  • Main effort (about 20 minutes): a walk, jog, cycle, dance or bodyweight circuit at a pace that suits you.
  • Cool down (about 5 minutes): slower movement and light stretching.

Start gently if you are new to exercise, and check with a doctor if you have health concerns. You do not need to work hard to benefit.

Other uses for thirty minutes

  • Deep work: one task such as a report section or a design, with notifications off.
  • Study session: half the time on new material and the rest on practice questions.
  • Oven and stove checks: some recipes call for checking or stirring around the half hour mark. Follow your recipe for the exact steps.
  • Music or language practice: warm-up, new material, then review.
  • Meetings: thirty minutes with a short agenda keeps conversations on track.
  • Housework: laundry, kitchen and floors in one timed round.

Keeping a thirty minute habit

Pick a regular time and treat it like an appointment. Put out what you need the night before, such as shoes, books or a laptop with the right file open. If a full thirty minutes feels like too much on a hard day, shorten the timer and still do something, since a smaller session usually beats none.

The page shows the time left in the tab title, so you can switch to music or a video and still see how long remains. Press Pause for a drink or a phone call, and Resume when you are ready. For a longer slot, try the 1 hour timer.

A 30 minute countdown, ready to start

Half an hour is long enough for real progress on a task and still easy to commit to. This page starts with 30:00 on the clock. Press Start and the alarm will tell you when the half hour is up.

What a 30 minute timer is good for

  • Exercise: 30 minutes is a common target for a daily walk or workout.
  • Homework and revision: one subject per half hour keeps sessions manageable.
  • Meetings: a standard 30 minute slot, with a visible countdown to keep it on time.
  • Cooking and baking: cakes, dal and many oven dishes need around half an hour.
  • Limiting screen or gaming time for children, with a clear end.

Tips

  • For a long timer on a phone, plug it in and keep the screen on, as some phones pause web pages when locked.
  • Use full screen on a TV or laptop so everyone can see the time left.

Need a different length? Use the online timer for any time, or the stopwatch to count up.

Frequently asked questions

Does the thirty minutes include the warm up?
That is up to you. Many people include it, with about five minutes to warm up, twenty of main effort and five to cool down. Use the timer for whichever part you want to measure.
Can I keep music playing while the timer runs?
Yes. Start the timer, then switch to your music app. Make sure the volume is up and the phone is not in silent mode so you hear the alarm.
How many seconds is 30 minutes?
1,800 seconds. The display counts down from 30:00.
Can I set 25 minutes for Pomodoro?
Yes. Type 25 in the minutes box below the timer, or use the online timer for any length.
Will the timer keep running if I switch tabs?
Yes. The timer counts against your device clock, so it stays accurate in a background tab, and the tab title shows the time left. Some phones pause web pages when the screen locks, so keep the screen on for important timings. The timer asks the browser to keep the screen awake while it runs, where supported.
Why did I not hear the alarm?
Check that your device is not muted and the volume is up, and that Play a sound is ticked. Phones in silent mode may block web audio. The alarm beeps for about 15 seconds, and the display flashes as well.