How to use the 30 minute timer
- Press Start (or the space bar). The timer is already set to 30 minutes.
- Press Full screen to show it on a projector, smartboard or TV.
- When time is up it beeps three times and the screen flashes. Press Reset to run it again.
What 30 minutes is good for
Half an hour is the length of many lessons, a typical workout, and countless recipes. It is also a common limit for screen time for children.
- Screen-time limits for children
- Half-hour workouts
- Reading challenges
- Cooking rice, roasting vegetables
Other timer lengths
1 min2 min3 min5 min10 min15 min20 min25 min45 min1 hour
Need laps or to count up instead? Use the stopwatch.
Questions and answers
Can I use this as a screen-time timer for kids?
Yes. Start it when screen time begins; it beeps and flashes when the 30 minutes are up, so the timer is the one saying 'time's up'.
Does the timer drift over 30 minutes?
No. It reads the clock each frame, so it is exact to the second however long it runs.
Is this 30 minute timer free?
Yes, free with no sign-up and no app to install. It runs in your browser on a phone, tablet or computer.
Free to use, runs in your browser, nothing uploaded. Last updated 2026-10-07. Made by HandyToolkits; questions to [email protected].