Health Calculators
Track body metrics, wellness estimates, glucose conversions, blood alcohol estimates, pressure readings, and movement goals.
What are health calculators?
Health calculators are useful for quick screening-style estimates and personal tracking. They can make measurements easier to compare over time, but they are not a diagnosis or a substitute for medical care.
How to choose the right calculator
Use health calculators as a starting point. Enter measurements carefully, read the reference notes, and treat unusual or concerning results as a reason to consult a clinician rather than a final answer.
Common uses
Browse calculators
8A1C Calculator
Convert A1C to average glucose, estimate A1C from readings, and interpret ADA risk levels.
Blood Alcohol
Estimate blood alcohol content by weight, drink count, ABV, and hours since drinking started.
MAP Calculator
Calculate mean arterial pressure from systolic and diastolic blood pressure with mmHg or kPa and clinical reference notes.
Waist-Hip Ratio
Compare waist and hip measurements with women and men screening bands using inches or cm, plus body shape, body fat, and NHS-style intent.
Steps to Miles
Walking distance by steps, height, or exact stride.
EtG Calculator
Estimate a urine EtG detection window by standard drinks, drinking pattern, elapsed time, and the cutoff your test uses.
Sobriety Calculator
Track days of sobriety, see recovery milestones, countdown to the next milestone, and estimate money saved since quitting.
Stone Weight Calculator
Convert between stone, pounds, and kilograms instantly. Enter any value to see all weight equivalents.
Health calculators FAQ
Can health calculators diagnose a condition?
No. Health calculators are educational estimate tools. A clinician should review medical symptoms, diagnoses, and treatment decisions.
Why do health calculators show ranges?
Ranges help explain common reference bands, but individual risk can vary by age, history, medication, and other clinical context.
Can I use health calculators on my phone?
Yes. The health tools are designed to work on mobile browsers for quick checks and tracking.