21 Minute Timer
21-minute countdown timer for study sessions, cooking, workouts, or any timed activity. Free and runs right in your browser.
Quick presets:
Favorites (0/5):
Set a time and press Start
What Can You Do in 21 Minutes?
Pomodoro-style work session — slightly longer than standard for complex tasks
TV episode without losing track of time
Workout circuit — warm up, work, cool down
Focused writing or creative work block
Cooking timer for baking, roasting, or simmering
Tips for Your 21 Minutes Session
Thirty minutes is the sweet spot for most people's focus. If you drift off, shorten it next time.
Keep a notepad nearby for stray thoughts. Jot them down and get right back to your task.
Frequently Asked Questions
How many seconds is 21 minutes?
21 minutes equals 1,260 seconds.
Is 21 minutes enough for a workout?
Yes, 21 minutes gives you plenty of time for a focused workout — warm-up, main set, and cool-down.
Related Timers
Need a Different Duration?
Set any custom time with our full countdown timer — hours, minutes, and seconds.
Open Countdown Timer