Choose a fasting method and enter your typical daily schedule, and this intermittent fasting calculator maps out an eating window that actually fits your routine, rather than a generic template.
Intermittent Fasting Calculator
Map out a customized daily fasting and eating window that fits your real schedule.
24-Hour Daily Cycle Breakdown
Daily Fasting Timeline & Milestones
| Schedule Milestone | Time | Phase & Details |
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Consistency matters more than which specific protocol you pick. Our article on building a fasting schedule that fits your day explains why easing into a longer window tends to work better than starting strict.
Our TDEE calculator can help you set a calorie target for your eating window, and our water intake calculator can help you stay hydrated while fasting.