Please read these terms carefully before using our period calculator and ovulation calculator services.
Last updated: July 7, 2025
These Terms of Service ("Terms") govern your use of the Period Calculator website and services operated by Period Calculator ("we," "our," or "us"). By accessing or using our period calculator, ovulation calculator, and related services, you agree to be bound by these Terms.
If you do not agree to these Terms, please do not use our services. We reserve the right to modify these Terms at any time, and your continued use constitutes acceptance of any changes.
Period Calculator provides free online tools for menstrual cycle tracking and prediction, including:
Our services are designed for informational and educational purposes only and should not replace professional medical advice, diagnosis, or treatment.
By using our services, you agree to:
You are responsible for maintaining the confidentiality of any personal health information you input into our calculators.
Important Medical Notice
Our period calculator and ovulation calculator are educational tools only. They are not intended to:
Always consult with qualified healthcare providers for medical advice, especially regarding reproductive health, pregnancy planning, or menstrual irregularities.
We are committed to protecting your privacy. Most of your personal data entered into our period calculator is stored locally on your device and is not transmitted to our servers.
For detailed information about how we handle your data, please review ourPrivacy Policy.
By using our services, you consent to the data practices described in our Privacy Policy.
All content, features, and functionality of our period calculator and ovulation calculator services, including but not limited to text, graphics, logos, algorithms, and software, are owned by Period Calculator and are protected by copyright, trademark, and other intellectual property laws.
You may not reproduce, distribute, modify, or create derivative works of our content without explicit written permission.
To the fullest extent permitted by law, Period Calculator shall not be liable for any indirect, incidental, special, consequential, or punitive damages, including but not limited to:
Our total liability shall not exceed the amount you paid for using our services (which is currently free).
We strive to maintain continuous availability of our period calculator and ovulation calculator services, but we do not guarantee uninterrupted access. Services may be temporarily unavailable due to:
We reserve the right to modify, suspend, or discontinue any part of our services at any time without prior notice.
We may terminate or suspend your access to our services immediately, without prior notice, if you breach these Terms or engage in prohibited activities.
You may discontinue using our services at any time. Upon termination, your right to use our period calculator and ovulation calculator services will cease immediately.
These Terms shall be governed by and construed in accordance with applicable laws, without regard to conflict of law principles.
Any disputes arising from these Terms or your use of our services shall be resolved through binding arbitration or in courts of competent jurisdiction.
We reserve the right to modify these Terms of Service at any time. We will notify users of significant changes by posting the updated Terms on this page and updating the "Last updated" date.
Your continued use of our period calculator and ovulation calculator services after changes are posted constitutes acceptance of the revised Terms.
If you have questions about these Terms of Service, please contact us:
Email: support@periodcalculator.pro
Website: https://periodcalculator.pro/