16:8 Intermittent Fasting Schedule — Free Calculator
Calculate your exact 16:8 fasting window and eating window start time.
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Frequently Asked Questions — Intermittent Fasting Calculator
What are the eating hours for 16:8?+
If your last meal is at 8PM, your 16-hour fast ends at 12PM next day. Your eating window is 12PM–8PM (8 hours).
Can I eat anything in the 8-hour window?+
Yes, but focus on whole foods, adequate protein (0.8–1g/lb bodyweight), and avoiding highly processed foods for best results.
How long before 16:8 shows results?+
Most people notice changes in 2–4 weeks: reduced appetite, mental clarity, and initial fat loss. Significant body composition changes take 8–12 weeks.