144 Minute Timer
This free 144 minute timer is ready to go — the countdown is already set to 2 hours 24 minutes. Press Start and watch it tick down; a built-in alarm sound plays at zero. No download, no signup; works on desktop and mobile.
What is this timer good for?
- A long focus or writing block with scheduled breaks
- Slow cooking, braising or smoking food
- Tracking a parking meter or appointment window
- A movie-length rest, nap or quiet period
- Capping screen time or a gaming session for kids
How to use it
- The timer opens preset to 2 hours 24 minutes.
- Adjust the hours, minutes or seconds for a different length.
- Press Start and the big display counts down.
- An alarm sounds at 00:00:00 — press Reset to run it again.
How long is 2 hours 24 minutes?
144 minutes works out to 2 hours and 24 minutes (about 2.40 hours), or 8,640 seconds in total. That is roughly 10.0% of a 24-hour day. Half of 2 hours 24 minutes is 1 hour 12 minutes, and two rounds back to back add up to 4 hours 48 minutes.
144 minutes comes to 2 hours 24 minutes — about the runtime of a feature film, which makes it a handy preset for a movie night with a hard stop.
Things that take about 2 hours 24 minutes
- Break a 144-minute work marathon into hourly checkpoints and stand up at each alarm.
- Charge, soak, dehydrate or cure anything that needs 2 hours 24 minutes of set-and-forget waiting.
- Set 2 hours 24 minutes for a slow-cooker, brisket or braise you must not forget about.
- Track a 144-minute parking window, airport layover or appointment slot.
FAQ
Will it ring if I switch tabs?
Yes. The timer calibrates against your system clock, so it stays accurate even in a background tab. Just don't close the tab.
Do I need to download anything?
No. The timer runs entirely in your browser with no download, signup or plugin.
Can I change the duration?
Yes. Type any hours, minutes and seconds into the fields, or pick a related timer above.
Is it free?
Yes, it is completely free to use.
How many seconds are in 144 minutes?
144 minutes equals exactly 8,640 seconds (144 × 60).
How long is 144 minutes in hours?
144 minutes is 2 hours and 24 minutes, or about 2.40 hours.
Can I pause the 144-minute timer halfway through?
Yes. Press Pause at any point and Start to continue; the remaining part of the 2 hours 24 minutes is kept to the second.