Interpreters for blood pressure, glucose, BMI and heart rate zones, plus plain-language guides. General reference information, never a diagnosis.
Vitals trace (illustrative)
Reference bands
4 tools
Guide categories
4 topics
Each tool explains what it measures, what to enter, and where its limits are.
We compare your numbers with published reference information and say plainly when a result cannot mean much on its own. Calculators run in your browser, and the optional vitals log never leaves your device. Read how we review and source content on the About page.