45 Minute Timer
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45 Minute Timer

A free 45 minute countdown timer. Forty-five minutes is one standard school class period — and a widely used study or work focus interval.

What is a 45 minute timer used for?

  • School and university class periods
  • Study and revision sessions
  • Focused work blocks
  • Workout sessions

How to use this timer

  1. 1
    Start the countdown

    The timer is pre-set to 45 minute timer. Press the play button or hit Space to begin.

  2. 2
    Customise (optional)

    Click the settings icon to change font, colour, background, and size. All settings are encoded in the URL — bookmark it to reuse your exact setup.

  3. 3
    Go fullscreen or add to OBS

    Press F for fullscreen — ideal for classrooms and presentations. For streaming, enable transparent background and paste the URL into OBS as a browser source.

Frequently Asked Questions

Why is 45 minutes a common class length?

45 minutes is a standard school period length because it balances enough time for meaningful learning while staying within typical student attention spans.

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