The Intermittent Fasting Calculator is a free, no-registration online tool that helps you plan the next meal and fasting window.

Choose from popular methods like 16:8, 14:10, or create custom fasting hours.

Simply input your preferred eating time and get instant results with a visual 24-hour timeline.

Export your schedule as text, image, or PDF for easy sharing and reference. Perfect for beginners and experienced fasters alike, with a modern interface that works seamlessly on all devices.