Feedback and corrections
Contact MedMaths
Report a calculation issue, unclear safety message, broken link, accessibility problem, or idea for improving the calculator library.
Messages are reviewed as soon as practical. Safety-critical calculator reports are prioritised.
Send emailWhat to include
Formula or result issue
Include the calculator, values entered, result shown, expected result, and your supporting calculation or reference.
Safety or wording concern
Describe the warning, instruction, or visual that may be unclear, misleading, or unsafe.
Technical problem
Include the page, device, browser, and what happened. A screenshot is useful when available.
Medical emergency
MedMaths does not provide emergency assistance. For a serious or urgent emergency, call your local emergency number or attend the nearest emergency department.
Read the editorial policy for the correction process and the medical disclaimer for limits of use.