Interactive education
Wellness tools
Simple calculators for everyday health literacy. Soft estimates only — not diagnosis, treatment, or medication dosing.
This blog shares general health education from a registered nurse. It is not medical advice, diagnosis, or treatment. Always speak with your own healthcare provider about your personal situation.
BMI calculator
Estimate body mass index and read a plain-language healthy-range explainer.
Unit converter
Convert lb↔kg and cm↔in for everyday measurements — not medication dosing.
Hydration estimate
A soft starting estimate for daily fluids based on body weight.
Heart-rate zones
Estimate training zone ranges from age using a common rule of thumb.
Learn without calculating a dose
Want to understand how clinicians think about weight-based dosing? Read the education page — it does not compute a personal medication dose.
Open education articleOfficial references