Fasting Schedule

Intermittent Fasting Calculator

Pick a fasting protocol and last meal time to calculate your next eating window.

Ready Result

These numbers are estimates for education and planning. For medical conditions, pregnancy, eating disorders, or prescribed diets, consult a qualified professional.

Results

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Formula

Fast end time = last meal time plus fasting hours. Eating window = 24 minus fasting hours.

Best use

Use fasting schedules as an eating structure. Weight loss still depends mainly on calorie intake over time.

Frequently Asked Questions

Does fasting automatically cause fat loss?

No. Fasting can reduce eating opportunities, but fat loss still requires a calorie deficit.

Can I drink water during fasting?

Plain water is commonly used during fasting windows. Medical conditions may need personalized guidance.