Timer for 48 seconds

48
Time left: 00:00:48
Settings

Time control in seconds format

An online timer for 48 seconds allows you to clearly observe short intervals, whether it is approaches in sports or small tasks. At the end, an audio notification is activated.

Use full-screen mode if you want to display the timer on a large screen or during group sessions.

The startup process is intuitive, and everything works without installation via a regular browser.

Why a 48 seconds timer is useful

A 48 seconds timer is often used to time a short interval for an exercise, a speed challenge, or a micro-break. It works for warm-ups, game answer time, short workouts, and reflex training. Everything runs directly in the browser, no apps to install.

How to use the 48 seconds timer

  1. Open the timer. Go to the 48 seconds timer page — it's ready to run right away, nothing to download.
  2. Start the countdown. Click the "Start" button — the timer counts down from 48 seconds to zero.
  3. Control as needed. Use "Pause" and "Reset" to stop or restart the timer at any time.
  4. Pick a sound. In settings, choose a suitable alarm sound and volume, or mute it entirely.
  5. Wait for the alert. When time is up, the selected sound plays. Remaining time also shows in the browser tab title so you won't miss the end.

FAQ about the 48 seconds timer

Do I need to install anything?

No. The 48 seconds timer runs in the browser — on phone, tablet, or computer. No apps to install, no sign-up needed.

Does the timer keep running in a background tab?

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.

Can I change the alarm sound?

Yes, settings let you pick different sounds and adjust the volume. You can also mute it entirely.

Can I expand the timer to full screen?

Yes, there's a full-screen mode — handy for presentations, classes, workouts, and group sessions.

Is the countdown accurate?

The timer uses the device's system clock and stays accurate even on long intervals. Countdown precision is to the second.