WhenKitStart timer
Ready-to-run preset

20-minute timer

Start a countdown set to 20 minutes, or adjust the duration before you begin.

Countdown timer
20Minutes
00Seconds

Set a duration and start when ready.

Practical uses for a 20-minute timer

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

Power naps

Twenty minutes is the classic nap length that avoids deep-sleep grogginess.

The 20-20-20 eye rule

Take a screen break every 20 minutes to protect your eyes during long work sessions.

Focused reading

A dedicated 20-minute reading block builds a daily habit without pressure.

Batch cooking steps

Roasting vegetables and many baking steps land around the 20-minute mark.

20 minutes in seconds, minutes and hours

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

1,200Seconds
20Minutes
0.333Hours

Frequently asked questions

How long is a 20-minute timer?

20 minutes equals 1,200 seconds. Start it and the countdown runs to zero, then alerts you.

Can I adjust this 20-minute timer?

Yes. The page starts at 20 minutes, but you can change the hours, minutes or seconds before pressing Start.