320 seconds
Set the timer to 320 seconds for a short session. An audible alert ensures that you notice the final countdown.
Full-screen mode removes all unnecessary things, leaving only time in front of your eyes. This is especially valuable when you work hard or train hard.
The built-in conversion of seconds to minutes shows the exact ratio, if you need to understand the interval in the usual format.
An online 320 seconds timer is convenient for controlling small intervals: short workouts, meditations, speed checks, and brief breaks. Starts with a single click and keeps counting even when you switch tabs.
In other units:
320 seconds equals 5 minutes 20 seconds.
No. The 320 seconds timer runs in the browser — on phone, tablet, or computer. No apps to install, no sign-up needed.
Yes, the countdown continues even when you switch tabs. The remaining time is also shown in the browser tab title, so you won't miss the end.
Yes, settings let you pick different sounds and adjust the volume. You can also mute it entirely.
Yes, there's a full-screen mode — handy for presentations, classes, workouts, and group sessions.
The timer uses the device's system clock and stays accurate even on long intervals. Countdown precision is to the second.