Terms of Use

By accessing and using Period-Calculator.net, you accept and agree to be bound by the terms and provision of this agreement. If you do not agree to abide by the above, please do not use this service.

These terms apply to all visitors, users, and others who access or use the service.

Estimates Only: Our calculator provides estimates based on average menstrual cycle patterns. Individual cycles can vary significantly, and predictions may not be accurate for everyone.

Not for Contraception: This tool should NOT be used as a method of birth control or contraception. For family planning, consult with a healthcare provider.

Consult Healthcare Providers: For any medical concerns, irregular cycles, or health questions related to your menstrual cycle, please consult with a qualified healthcare professional.

No Medical Advice: We do not provide medical advice, diagnosis, or treatment recommendations. The information provided is for educational purposes only.

Personal Use: This calculator is intended for personal, non-commercial use by individuals tracking their own menstrual cycles.

Age Requirements: Users should be of appropriate age to understand menstrual health information. Minors should use this tool with parental guidance.

Prohibited Uses: You may not use this service for any unlawful purpose or to solicit others to perform unlawful acts.

No Harmful Activities: You agree not to use the service in any way that could damage, disable, overburden, or impair the service.

Best Effort Accuracy: We strive to provide accurate calculations based on established menstrual cycle science, but we cannot guarantee 100% accuracy for all users.

Individual Variation: Menstrual cycles vary significantly between individuals and can be affected by stress, health conditions, medications, and other factors.

Regular Cycles: Our calculator works best for users with relatively regular cycles (varying by only a few days each month).

No Guarantees: We make no warranties or guarantees about the accuracy, reliability, or suitability of the calculations for any particular purpose.

No Liability: Period-Calculator.net and its operators shall not be liable for any direct, indirect, incidental, special, or consequential damages resulting from the use or inability to use this service.

User Responsibility: Users are solely responsible for their use of the calculator and any decisions made based on the results.

Third-Party Actions: We are not responsible for any actions taken by users based on the information provided by our calculator.

Website Content: The design, layout, and content of this website are protected by copyright and other intellectual property laws.

Personal Use: You may use the calculator for personal purposes but may not reproduce, distribute, or create derivative works without permission.

Trademarks: Period-Calculator.net and related marks are trademarks and may not be used without permission.

Privacy First: We are committed to protecting your privacy. Please review our Privacy Policy to understand how we handle information.

No Data Collection: We do not collect or store your personal menstrual cycle data. All calculations happen in your browser.

User Responsibility: You are responsible for maintaining the confidentiality of any information you enter into the calculator.

We reserve the right to modify these terms at any time. Changes will be posted on this page with an updated date. Continued use of the service after changes constitutes acceptance of the new terms.

We encourage users to review these terms periodically to stay informed of any updates.

If you have questions about these Terms of Use, please contact us at:

[email protected]

We will do our best to address any concerns or questions you may have.