Feedback and corrections

Contact A1CCalculator.us

Report a calculation issue, suggest a correction, ask a privacy question, or describe an accessibility problem. This channel does not provide individual medical advice.

Not for emergencies

This inbox is not monitored in real time. In the United States, call 911 for a medical emergency. Contact your care team for symptoms, diagnosis, treatment, medication, insulin, or urgent glucose guidance.

A useful report includes

Technical issuePage URL, device/browser, input, expected result, and what happened.
Editorial correctionExact sentence, why it may be wrong, and a primary source if available.
Accessibility feedbackControl or section affected, assistive technology, and the barrier encountered.

Before submitting

Do not include a date of birth, insurance/member ID, medication list, full laboratory report, medical-record number, or other unnecessary health information. A page URL and numerical example are usually enough.

Read the Privacy Policy for information handling and the Medical Disclaimer for the limits of this channel.

Send a message

Fields marked with * are required. Please keep the message focused on the website or its published content.