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Editorial policy

How calculator content is written, checked, and updated.

Formula first

Calculator pages show the formula or dosing assumption behind the result when the math can be explained clearly.

Source checks

Safety and public-health language is checked against public sources such as CDC materials and manufacturer documentation where relevant.

No fake credentials

The site does not claim professional certification it does not have. It labels results as estimates and points users back to labels and manuals.

Update cadence

Core calculator formulas and source links are reviewed after adding new tools, changing formulas, or finding newer manufacturer guidance.