Free Health Tools
Interactive calculators, reference charts, and printable logs. Reviewed by Dr. Taylor against the same evidence base used in clinical practice. No signup, no ads, no data sent anywhere — everything runs on your device.
Compression Sock Size Chart
Type your shoe size and calf measurement to see your compression sock size across 8 popular brands at once — VIM & VIGR, Sigvaris, Sockwell, FIGS, Doc Miller, Jobst, Mediven, OS1st — plus the right mmHg level for your reason.
Open toolLean Body Mass Calculator
Calculate LBM with Boer, James and Hume formulas side-by-side — or use your body-fat reading. Lean Mass Index against Schutz 2002 norms, daily protein target, fat-loss math, and a clinician-ready PDF log.
Open toolPulse Oximeter Reading Chart
Type your SpO₂ reading and instantly see the band, what it means, and what to do — adjustable for COPD, altitude, newborn, and athlete. Saves readings + exports a clinician-ready PDF.
Open toolSteps to Miles Calculator
Convert steps to miles + calories with three stride methods. CDC activity-zone result, walking log, printable PDF.
Open toolWong-Baker FACES® Pain Scale
Tap the face that matches your pain. Saves a session log and exports a clinician-ready PDF.
Open tool