40 minute timer
A little space to focus. Your 40-minute countdown is ready.
Ready
Minutes : Seconds
Keep this tab open for the alarm.
Related timers
How to use this 40 minute timer
Get started in four simple steps.
Choose your sound
Pick Bell, Chime or Off and use Test sound to check the volume.
Start
Press Start timer when you are ready. Opening this page never starts the countdown by itself.
Pause when needed
Pause and resume at any time. Reset restores the full 40 minutes.
Time’s up
At zero the page shows Time’s up and tries to play your alarm for up to 10 seconds.
40 minute timer at a glance
- Total seconds
- 2,400
- Starts at
- 40:00
- Half-way mark
- 20:00
40 minutes is 2,400 seconds. Keep this tab open for the alarm, and use Full screen for fewer distractions.
Frequently asked questions
Still have a question? Get in touch
How many seconds are in 40 minutes?
40 minutes is 2,400 seconds. The timer shows it as 40:00 when it is ready to start.
When will a 40 minute timer end?
Exactly 40 minutes after you press Start timer. For example, if you start at 3:00 PM it ends at 3:40 PM. While it runs, the finish time is shown under the countdown, and pausing moves it later.
Can I pause the 40 minute timer?
Yes. Pause holds the remaining time and Resume continues from there. Reset returns to the full 40 minutes, and asks first while the timer is running.
Will the alarm work if I leave this tab?
Keep the tab open. Switching to another tab is usually fine, but browsers can slow down pages in the background and may block sound that was never enabled. For the best chance of hearing the alarm, keep this page open and visible and press Test sound first. Closing the tab stops the alarm.