Unlock Your Rhythm

Intermittent Fasting Calculator

Stop the guesswork. Instantly calculate your ideal eating and fasting windows for popular schedules like 16:8, 18:6, or OMAD to effortlessly align with your health goals.

1Choose Your Fasting Plan

Select a popular schedule or create your own.

进食窗口将自动计算。

2 Last Meal Time

This will be the starting point for your fasting window.

Transform Your Health, One Window at a Time

Intermittent fasting isn't about starvation; it's about strategic eating. By aligning your meals with your body's natural clock, you unlock a cascade of powerful health benefits that go far beyond weight loss.

Effective Weight Management

By limiting your eating window, you naturally reduce calorie intake and boost your metabolism, making it easier to manage weight sustainably.

Enhanced Brain Function

Fasting can increase levels of BDNF, a brain hormone that supports neuron growth, potentially improving memory and cognitive focus.

Cellular Repair (Autophagy)

During a fast, your body initiates a "cleanup" process called autophagy, removing waste products from cells and promoting regeneration.

Find Your Ideal Plan

It's more than just a schedule. It's about giving your body the time it needs to reset. Here's a quick look at the benefits of each popular plan.

Frequently Asked Questions

Yes, you can drink black coffee without sugar or milk. Plain tea and water are also acceptable as they contain minimal to no calories and will not break your fast.

The 16:8 method is widely recommended for beginners. It involves fasting for 16 hours and eating during an 8-hour window, which is generally manageable and provides a good entry point into time-restricted eating.

While generally safe, intermittent fasting may not be suitable for everyone, especially those who are pregnant, breastfeeding, have a history of eating disorders, or have certain medical conditions like diabetes. It is crucial to consult with a healthcare professional before starting any new diet regimen.