To make it easy, we’ve built a simple, functional, and easy-to-use fasting time calculator.
With this tool, you can instantly see how long you’ve been in a fasted state, helping you stay motivated and on track with your health goals.
When Did You Last Eat?
Intermittent fasting is more than just a diet trend; it’s a powerful lifestyle choice that can lead to improved metabolic health, enhanced mental clarity, and increased energy. But keeping track of your fasting window can be a hassle. Did you start at 7:15 PM or 7:45 PM? How many hours have you really been fasting?
Fed State
0–3 Hours
Early Fasting
3–18 Hours
Ketosis
18–48 Hours
Long-Term Fasting
48+ Hours
Why Track Your Fasting?
Stay Motivated
Visual progress helps you stay consistent and reach your goals.
Body Awareness
Connect how you feel with what’s happening inside your body.
Track Progress
Notice patterns in your energy, mood, and results over time.
Ready to Start Your Fasting Journey?
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