This policy describes how DrinkWaterUSA prepares and maintains calculator explanations and hydration guides.
Evidence and attribution
We prioritize primary and authoritative sources such as government health agencies, academic reference publications, and relevant professional position statements. We link sources near the claims they support and distinguish a source’s guidance from calculations created for this site.
Clear methods and limitations
Tools should state what they calculate, how inputs are converted, and what the result does not represent. We label the 30–40 mL/kg/day calculator as a rough heuristic rather than a validated or official personal recommendation. Where evidence does not support a precise estimate, we avoid presenting unsupported multipliers or exact targets.
Health and safety
Content is for general information. It is not diagnosis, treatment, or an individualized plan. We encourage readers to follow clinician-directed fluid guidance and to seek qualified care when needed. We do not claim that every page has been medically reviewed; if a named reviewer is added, their role and credentials should be stated on the relevant page.
Corrections and updates
We review credible reports of factual, formula, accessibility, or broken-link issues. Material changes should be reflected in the page and, where useful, the Research and Updates Log. Readers can report a problem.
Independence and conflicts
Any sponsorship, advertising, affiliate relationship, or other material conflict connected to a page should be disclosed on that page. We do not treat a commercial relationship as evidence that a health claim is correct.