45 Minute Timer
Already set to 45 minutes. Press Start for a lecture segment, a class period or a long study block.
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How to use the 45 minute timer
- Step 1
Press Start
The timer is already set to 45:00. Press Start or hit the space bar.
- Step 2
Go full screen
Click Full screen for large digits that can be read from across a room or on a projector.
- Step 3
Hear the alarm
An alarm plays when the time is up. You can mute it for a silent visual finish.
Frequently asked questions
How do I set a timer for 45 minutes?
Open this page and press Start. It is already set to 45 minutes, so there is nothing else to enter.
Will it keep counting if I switch tabs?
Yes. The timer is based on your device clock and stays accurate in the background. The remaining time is shown in the browser tab title.
What is a 45-minute timer good for?
People use it for a lecture segment, a class period or a long study block. Many class periods are 45 to 50 minutes; use full screen on the projector.
Can I change the time?
Yes. Type a different number of minutes or tap a preset. The page also has stopwatch and Pomodoro modes.