WhenKitStart timer
Ready-to-run preset

15-minute timer

Start a countdown set to 15 minutes, or adjust the duration before you begin.

Countdown timer
15Minutes
00Seconds

Set a duration and start when ready.

Practical uses for a 15-minute timer

This duration fits the activities below. Choose one, prepare what you need and start the countdown when you are ready.

Focused study blocks

A quarter hour is enough to review flashcards or draft an outline before a break.

Home workouts

Many express HIIT and mobility routines are built around a 15-minute window.

Tidying a whole room

Fifteen minutes is the sweet spot for a satisfying, complete tidy of one space.

Breaks between deep work

Pair with longer focus sessions to enforce a proper screen break.

15 minutes in seconds, minutes and hours

Use these exact equivalents when another timer or recipe uses a different unit:

900Seconds
15Minutes
0.25Hours

Frequently asked questions

How long is a 15-minute timer?

15 minutes equals 900 seconds. Start it and the countdown runs to zero, then alerts you.

Can I adjust this 15-minute timer?

Yes. The page starts at 15 minutes, but you can change the hours, minutes or seconds before pressing Start.