Countdown
20 Seconds Timer
Set a quick countdown for cooking, study sessions, workouts, and daily tasks with the same polished control surface used across ClockUnit.
Ready00:05:000 recent
Live countdown display
Ready to start
05:00
Elapsed: 0%Remaining: 100%
Preset Timers
Seconds
Minutes
Hours
20 Second Timer Video
Watch our 20 Seconds timer countdown video with ambient visuals and sound.
Watch Timer Video20 Seconds timer quick guide
This 20 seconds timer is ideal for micro-actions where every second matters.
Equivalent length: 0.00 day(s), 0.01 hour(s), and 0.33 minute(s).
Timer settings you can customize
- Duration fields: days, hours, minutes, and seconds
- Timer title for session context
- Alarm sound selection
- Alarm play mode (loop or play once)
- Auto-loop toggle for repeated runs
- Fullscreen mode for distraction-free view
How to use
- 1. Press Start to begin the 20 seconds countdown immediately.
- 2. Use Pause if you need a temporary stop, then resume from the same point.
- 3. Reset when you want to restart the full duration from the beginning.
Best for
- Short rep windows in circuit training
- Focus resets between back-to-back activities
- Reaction-time drills and athletic starts
Frequently Asked Questions
How long is a 20 seconds timer?
It runs for 20 seconds, which is exactly 20 seconds.
Can I start this 20 seconds timer instantly?
Yes. This page loads the 20 seconds preset and starts with one click.
What is 20 seconds in hours and minutes?
20 seconds equals 0.01 hours and 0.33 minutes in total duration math.