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Report a Factual Correction

If you believe a formula, cited figure, or source reference on this site is inaccurate or out of date, please let us know which page and which figure — corrections to health-related content are reviewed as a priority.

General Enquiries

For anything else — partnership enquiries, accessibility feedback, or general questions about how a calculator works — use the form below or email us directly.

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Editorial & Medical Review Enquiries

Water Intake Calculator's content is maintained by our editorial team and cross-checked against the primary sources cited on each calculator page (NASEM/IOM, EFSA, WHO, ACOG, ACSM, ISSN, AAP, AVMA, and relevant national health authorities). If you are a qualified professional and would like to flag a concern with the clinical or scientific framing of any page, please say so in your message — these enquiries are reviewed with particular care.