How does the Intermittent Fasting Calculator work?
The Formula
Start Fast + HoursExample: Start fast at 8 PM + 16 hours = 12 PM next day.
Frequently Asked Questions
Most popular?
16:8 (16 hrs fasting, 8 hrs eating).
Calculate your exact eating and fasting windows for popular intermittent fasting protocols like 16:8 or 20:4 based on your desired wake or meal times.
Start Fast + Hours16:8 (16 hrs fasting, 8 hrs eating).