FastingCalculator.online

Free Fasting Timer

Track your fasting sessions in real-time with our simple, web-based timer—no downloads required.

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Why Use a Fasting Timer?

A fasting timer helps you stay disciplined and monitor your fasting duration in real-time, ensuring you stick to your intermittent fasting schedule. Studies suggest that consistent fasting can improve metabolic health, support weight loss, and enhance mental focus Source.

Our free Fasting Timer is web-based, requiring no downloads or signups, and works on any device. Whether you’re following a 16:8, 5:2, or OMAD plan, our timer makes it easy to track your progress and stay motivated.

Intermittent Fasting Timer

Select a fasting schedule or start a custom fast to track in real-time.

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Tips for Using the Fasting Timer

Maximize your fasting experience with these expert tips:

  • Start the timer at the beginning of your fast for accurate tracking.
  • Choose a preset schedule like 16:8 for beginners to simplify your routine.
  • Pause during planned breaks, such as drinking water or black coffee, if allowed in your protocol.
  • Log completed fasts to our Fasting Hours Tracker for a detailed history.
  • Stay hydrated during your fast to support overall health and energy levels.

Learn more in our Fasting Schedule Guide.

Frequently Asked Questions

Can I use the timer for any fasting schedule?

Yes! Our timer supports any fasting schedule, including 16:8, 18:6, 5:2, OMAD, or custom durations.

Do I need to download anything?

No downloads required! Our web-based timer works on any device with a browser, making it convenient and accessible.

What happens if I close the browser?

The timer will pause if you close the browser. To save your fast, use the “Log to Tracker” button to record it in our Fasting Hours Tracker.

Can I set a specific fasting goal?

Yes! Use the preset buttons (e.g., 16:8, 24-Hour) to set a goal, and the progress bar will show your progress toward it.