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Intermittent Fasting Calculator

Plan your eating and fasting windows to stick to your intermittent fasting goals.

Your details

0006121816hDrag the clock to set your last meal

Drag the handle to move your fasting window.

Fasting / eating hours

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Find your daily rhythm

See how a fasting window fits around your last meal, with a full 24-hour view.

Intermittent Fasting Info

How to use the Intermittent Fasting Calculator?

Intermittent fasting is an eating pattern that cycles between periods of fasting and eating. It doesn't specify which foods you should eat but rather when you should eat them.

To use this calculator, simply select your preferred fasting protocol (like the popular 16/8 method) and input the time you typically finish your last meal of the day. We'll calculate your eating window for you.

Popular Fasting Methods

  • 16/8 Method: Also known as the Leangains protocol, it involves skipping breakfast and restricting your daily eating period to 8 hours, such as 1-9 p.m.
  • 14/10 Method: A gentler approach where you fast for 14 hours and eat for 10. Great for beginners.
  • 5:2 Diet: Involves eating normally 5 days of the week while restricting your calorie intake to 500-600 for 2 days of the week.

Benefits

Studies show that intermittent fasting can be a powerful tool for weight loss and fighting inflammation. It may also improve heart health and brain function.

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