25 Minute Timer

Press Start to count down 25 minutes.

This free 25 minute timer counts down 25 minutes with a shrinking red disc you can read at a glance. 25 minutes is 1,500 seconds (one thousand five hundred seconds). It is one full Pomodoro, the classic focus sprint, and a common length for an exam section.

Share:WhatsAppXReddit

What a 25 minute timer is good for

Twenty-five minutes is the original Pomodoro. In the late 1980s Francesco Cirillo, then a university student, timed his study with a tomato-shaped kitchen timer: twenty-five minutes of work, then a five minute break. The method is now one of the most widely used focus techniques in the world.

One Pomodoro

Choose a single task, start the timer and work without checking messages until the disc is empty. Then take a five minute break.

Four rounds, then a long break

After four Pomodoros, take a longer break of fifteen to thirty minutes.

Exam sections

Many practice papers have sections that should take about twenty-five minutes. Timing them builds exam pacing.

A focus sprint at work

Book a twenty-five minute sprint in your calendar and use the timer to protect it.

To pace yourself, glance at the disc rather than the numbers. With the 25 minute timer running, half the colour has gone after 12 minutes 30 seconds, and when only a quarter is left you have 6 minutes 15 seconds to wrap up. Open fullscreen if the timer needs to be read across a room, and add a label so everyone knows what the 25 minutes are for.

How to use the 25 minute timer

  1. It is ready

    The dial is already set to 25 minutes. To change it, drag the disc, tap a preset or open Custom.

  2. Press Start

    Or press the Space bar. The red disc shrinks back towards 12 o’clock as the time runs down.

  3. Watch the disc

    Read the time left at a glance, or open fullscreen for a big dial that fills the screen.

  4. Time’s up

    Your alarm plays until you press Stop. Press Reset or R to run the same time again.

25 minutes in other units

25 minutes equals
Seconds1,500
Minutes25
Hours0.4167
Fraction of a day5/288

Why use this timer

Frequently asked questions

There are 1,500 seconds in 25 minutes. That is 0.4167 of an hour, or one thousand five hundred seconds written out.

A single classic Pomodoro, the core block of a four-round study session, timing a practice exam section or protecting a focused sprint at work.

Yes. The 25 minute countdown is anchored to your device clock rather than counted frame by frame, so it stays accurate in a background tab and the alarm still fires when the 25 minutes are up.

No. The 25 minute timer runs in your browser on phone, tablet and desktop. It is free, and there is no account, app or download.

Yes. Press the fullscreen button or the F key. The dial fills the screen, so the remaining part of the 25 minutes is readable from the back of the room.

Yes, once this page has loaded. Nothing is sent over the network while the 25 minutes count down, so a dropped connection will not stop the timer.

Yes. The Pomodoro Technique uses twenty-five minutes of work followed by a five minute break. Four rounds are followed by a longer break.

An eight hour day contains about fourteen 25 minute blocks with five minute breaks, but most people manage eight to ten real Pomodoros alongside meetings.

It is at the upper limit. A 25 minute nap can leave you slightly groggy, so many people prefer twenty minutes.