Last updated: October 9, 2026
By accessing and using the Intermittent Fasting Window Calculator (the "Service"), you accept and agree to be bound by and comply with these Terms of Service ("Terms"). If you do not agree to these Terms, do not use this Service.
The Intermittent Fasting Window Calculator is a free, web-based tool designed to help users calculate their eating and fasting windows based on their wake times, sleep times, and preferred fasting protocols. The Service is provided for informational and educational purposes only.
IMPORTANT: This Service does NOT provide medical advice. The calculator, results, and any educational content are for informational purposes only and should NOT be considered a substitute for professional medical consultation.
Intermittent fasting is not appropriate for everyone. Before starting any fasting protocol, consult a qualified healthcare provider, especially if you:
Use of this Service does not establish a doctor-patient or healthcare provider relationship.
While we strive for accuracy, the calculator provides estimates and is subject to limitations:
You should not rely solely on calculator results to make health decisions. Use your judgment and consult a healthcare provider.
THIS SERVICE IS PROVIDED ON AN "AS-IS" AND "AS-AVAILABLE" BASIS. WE DISCLAIM ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO:
We do not warrant that the Service will meet your expectations or that defects will be corrected.
TO THE MAXIMUM EXTENT PERMITTED BY LAW, WE ARE NOT LIABLE FOR:
This limitation applies even if we have been advised of the possibility of such damages. Some jurisdictions do not allow limitation of liability, so this may not apply to you.
You assume full responsibility and risk for your use of the Service and any health decisions made based on calculator results. You agree that:
You agree NOT to:
Violation of these terms may result in temporary or permanent access suspension.
All content, design, functionality, and materials on this Service (including text, graphics, logos, images, code) are the property of the Service provider or its licensors and are protected by copyright, trademark, and other intellectual property laws.
You may view and print content for personal, non-commercial use only. You may not reproduce, distribute, or commercially exploit any content without written permission.
The Service does not collect or display user-generated content. Any feedback, suggestions, or comments you submit may be used by us to improve the Service without obligation to you.
The Service may link to external websites for your convenience. We are not responsible for the content, accuracy, or privacy practices of third-party sites. Your use of third-party sites is subject to their terms and policies. We recommend reviewing their terms before use.
We may suspend or terminate your access to the Service at any time, for any reason, including:
Upon termination, your right to use the Service ceases immediately.
We reserve the right to modify, update, or discontinue the Service at any time without notice. We are not liable for any changes, modifications, or discontinuation of the Service.
We may update these Terms at any time. Changes are effective immediately upon posting to the Service. Your continued use of the Service after changes constitutes acceptance of the updated Terms. We recommend reviewing this page periodically.
These Terms are governed by and construed in accordance with applicable law, without regard to conflict of law principles. Any legal action or proceeding related to the Service shall be subject to exclusive jurisdiction of the courts within the applicable legal jurisdiction.
If you have a dispute with us regarding the Service, you agree to attempt to resolve it informally by contacting us first. If informal resolution fails, disputes shall be governed by the applicable law of the jurisdiction in which the Service provider operates.
If any provision of these Terms is found to be unenforceable or invalid, that provision shall be severed, and the remaining provisions shall continue in full force and effect.
These Terms, along with our Privacy Policy, constitute the entire agreement between you and the Service provider regarding the Service and supersede all prior and contemporaneous agreements, understandings, and negotiations.
For questions about these Terms, the Service, or to report abuse, please contact us:
By using this Service, you acknowledge that you have read, understood, and agree to be bound by these Terms of Service. If you do not agree, do not use the Service.
We care about your health and safety. Please use this tool responsibly, consult healthcare providers, and listen to your body. Intermittent fasting can be a powerful tool when done correctly, but it's not right for everyone. Take care of yourself.