Health Calculators

Free, evidence-based health assessment tools.

ASCVD 10-Year Risk Calculator

Free ASCVD risk calculator using the ACC/AHA Pooled Cohort Equations to estimate your 10-year risk of heart attack or stroke, for adults aged 40 to 79.

CHA₂DS₂-VASc Calculator

Free CHA2DS2-VASc calculator to estimate stroke risk in atrial fibrillation and help guide whether anticoagulation is recommended. Runs in your browser.

Corrected Calcium Calculator

Free albumin-corrected calcium calculator. Adjust a total serum calcium for low or high albumin so it better reflects true calcium status. Runs in your browser.

eGFR Calculator (CKD-EPI 2021)

Free eGFR calculator using the 2021 race-free CKD-EPI creatinine equation to estimate kidney function and KDIGO stage from your serum creatinine, age, and sex.

GAD-7 Anxiety Calculator

Free GAD-7 calculator to screen for and grade generalized anxiety. Answer 7 questions to get your score and severity, entirely in your browser.

HbA1c to Average Glucose Calculator

Free HbA1c calculator. See your ADA diabetes category and convert your A1c to an estimated average glucose (eAG) in mg/dL and mmol/L. Runs in your browser.

PHQ-2 Depression Pre-Screen

Free PHQ-2 depression pre-screen. Answer two questions to see whether a full PHQ-9 is worth completing. Runs entirely in your browser.

TDEE & BMR Calculator

Free TDEE and BMR calculator using the Mifflin-St Jeor equation to estimate your daily calorie needs from height, weight, age, sex, and activity level.

Waist-to-Height Ratio Calculator

Free waist-to-height ratio calculator. A simple central-fat measure that often predicts cardiometabolic risk better than BMI. Runs in your browser.

PHQ-9 Depression Assessment Calculator

Interactive PHQ-9 calculator for screening and assessing depression severity. Get your depression score and understand what it means for your mental health.