12 Minute Timer
This free 12 minute timer is ready to go — the countdown is already set to 12 minutes. Just press Start and watch it tick down. When it reaches zero a built-in alarm sound plays. No download, no signup; works on desktop and mobile.
What is this timer good for?
- A focused study or work sprint before a break
- A power nap (short enough to avoid grogginess)
- A home-workout circuit with timed sets
- Oven or air-fryer cooking steps
- A guided meditation or yoga sequence
How to use it
- The timer opens preset to 12 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 12 minutes?
12 minutes works out to 720 seconds, or exactly 1/5 of an hour. That is roughly 0.8% of a 24-hour day. Half of 12 minutes is 6 minutes, and two rounds back to back add up to 24 minutes.
Twelve minutes hard-boils an egg firmly from the moment the water boils.
Things that take about 12 minutes
- Let glue, paint or nail polish set for 12 minutes before you touch it.
- Take a 12-minute power nap; set the alarm before you lie down so you don't drift past it.
- Follow a 12-minute guided meditation, stretching or physio routine.
- Cap each agenda item or speaker at 12 minutes to keep a meeting on schedule.
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 12 minutes?
12 minutes equals exactly 720 seconds (12 × 60).
What fraction of an hour is 12 minutes?
12 minutes is exactly 1/5 of an hour. You would need 5 rounds of it to fill a full hour.
Can I restart the 12-minute countdown when it finishes?
Yes. When the alarm sounds, press Reset and then Start to run the full 12 minutes again — handy for repeated rounds.