30 Minute Timer

A 30 minute (1,800 second) countdown is ready. Press "Start" — an alarm sounds when time is up, and the end time is shown on screen.

30:00

Presets

Sound

Set the time

What can you do in 30 minutes?

  • A study session
  • A brisk walk
  • A long Pomodoro break

30 Minutes in other units

Seconds1,800
Minutes30
Hours0.5
Milliseconds1,800,000

When will it end?

The timer shows its end time as soon as you press start. Some examples of when 30 minutes runs out:

StartEnds at
09:0009:30
12:3013:00
18:0018:30
22:4523:15

What happens in that time?

Walking (3 mph)1.5 mi
Running (6 mph)3 mi
Heartbeats (70 per minute)about 2,100
Distance light travels335.31 million mi
Share of a day2.08%

Based on typical averages; individual values vary.

For any other length, use the main online timer, or convert time units with the time converter.

Frequently Asked Questions

How many seconds are in 30 minutes?
30 minutes = 1,800 seconds = 30 minutes = 0.5 hours.

Does the 30 minute timer keep running in the background?
Yes. It follows the real clock, so it ends on time even if you switch tabs. Just keep the tab open; on phones use "Keep screen awake".

Can I use my own music as the alarm sound?
Yes. Choose "Your own sound" in the sound menu and pick an audio file from your device. It's stored only in this browser and never uploaded.