Terms of Use
Terms governing the use of YMD Age, our free chronological age calculator tools, mathematical calculation outputs, and clinical reference materials.
Last Updated: August 2026
1. Acceptance of Terms
By accessing or using YMD Age (https://ymdage.com), including our free chronological age calculator for testing, corrected age utility, and professional guides, you agree to be bound by these Terms of Use. If you do not agree with any part of these terms, please do not use our website.
2. Nature of the Service & Clinical Disclaimer
YMD Age provides reference tools designed to assist speech-language pathologists (SLPs), school psychologists, occupational therapists (OTs), pediatricians, and educators in computing exact chronological age outputs in years months and days.
YMD Age is a reference calculation utility only. Nothing contained on this site constitutes formal medical, psychological, diagnostic, or legal advice. Results produced by our online chronological age calculator are intended to support — not replace — professional clinical judgment. Evaluators should independently verify date of birth chronological age calculator outputs before finalizing standardized test scores, IEP eligibility determinations, or formal diagnostic reports.
3. Client-Side Execution & Security
All mathematical calculations performed on YMD Age run strictly within your device's browser memory. We do not store, log, or transmit any examinee birth dates or test dates to external servers. You maintain sole responsibility for ensuring that your workstation or device complies with applicable institutional privacy standards (including HIPAA and FERPA).
4. Third-Party Assessment Battery Trademarks
Assessment battery names mentioned on this site — including WISC-V, WAIS-IV, WIAT-4, CELF-5, GFTA-3, Bayley-IV, and Brigance — are trademarks or registered trademarks of their respective publisher owners (such as Pearson Education, Inc., Super Duper Publications, and Curriculum Associates). YMD Age is an independent alternative calculation tool and is not affiliated with, endorsed by, or sponsored by these test publishers.
5. Limitation of Liability
To the fullest extent permitted by law, YMD Age and its creators shall not be liable for any direct, indirect, incidental, consequential, or special damages arising out of or in connection with your use of, or inability to use, our pearson chronological age calculator alternative or super duper chronological age calculator tools.
6. Contact Information
If you have any questions or concerns regarding these Terms of Use, please reach out via our contact page or email us directly at support@ymdage.com.