Intermittent Fasting Calculator

    Calculate fasting and eating windows

    Formula

    Break Fast = Last Meal + Fast Hours

    Popular IF methods restrict eating to specific windows.

    Examples

    16:8, last meal 8 PM

    Eat from 12 PM to 8 PM.

    Frequently Asked Questions

    About Intermittent Fasting

    Calculate intermittent fasting windows for popular methods.