20 Minute Timer

Start a free 20 minute timer online with an alarm when time is up.

Time left
20 : 00

✔ Starts instantly

✔ Free & no download

✔ Works on any device

20 Minute Timer Online

Need exactly twenty minutes? This free 20 minute timer starts at 20:00 and counts down to zero directly in your browser.

Press Start to begin the countdown. When the twenty minutes are over, the timer alerts you that time is up. Reset or restart it whenever you need another 20 minute countdown.

There is nothing to install and no account is required. Use it for focused work, studying, exercise, cooking or a longer break.

How Long Is 20 Minutes?

20 minutes is equal to 1,200 seconds.

It is also equal to approximately 0.333 hours, or one third of an hour. Twenty minutes is long enough for a useful focus session, workout or practical task without taking up a large part of your day.

What Can You Do in 20 Minutes?

A 20 minute countdown is a useful middle ground between a very short timer and a longer half-hour session.

  • Complete a focused study block
  • Do a short cardio or strength workout
  • Take a meaningful work break
  • Practice meditation or yoga
  • Clean or organise one area
  • Keep track of cooking or baking
  • Handle emails or small admin tasks
  • Read, write or practise a skill

20 Minute Timer for Focus and Productivity

Twenty minutes can be enough time to get into a task and make visible progress without committing to a long session. Pick one task, start the timer and work on it until the countdown ends.

If you prefer a structured focus method with regular work and break intervals, try our Pomodoro Timer.

20 Minute Timer vs. 20 Minute Alarm

A timer counts down for a specific amount of time. This page starts with twenty minutes and alerts you when the countdown reaches zero.

An alarm is set for a specific time of day. If you want an alert at a particular clock time instead, use our Online Alarm Clock.

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100% free

All tools are completely free to use

No login required

No signup required. No downloads needed

Instant results

Start your timer in seconds

Works everywhere

Works on desktop, tablet, and mobile devices

FAQ
How do I set a timer for 20 minutes? ▾
Press Start on the 20 minute timer above. It will count down from 20:00 to 00:00 and alert you when the twenty minutes are over.
How many seconds are in 20 minutes? ▾
There are 1,200 seconds in 20 minutes.
How many hours is 20 minutes? ▾
20 minutes is approximately 0.333 hours, or one third of an hour.
Can I use this as a 20 minute alarm? ▾
Yes. Start the countdown and it will alert you after twenty minutes. For an alarm at a specific clock time, use the Online Alarm Clock.
Does the 20 minute timer work on mobile? ▾
Yes. The timer works in modern browsers on phones, tablets and desktop computers without requiring a download.