Health Calculators
Evidence-based tools to understand health metrics and dosing details. Works without an account; log in later to prefill and save.
Heart / Vascular Age (Framingham 10-Year CVD Risk)
Estimate 10-year CVD risk and heart/vascular age using the official Framingham risk equations.
Framingham Stroke Risk Score (10-Year)
Estimate 10-year stroke probability using the official Framingham point tables.
Biological Age Calculator (PhenoAge)
Estimate phenotypic biological age using common clinical biomarkers.
BMR Calculator (Mifflin-St Jeor & Harris-Benedict)
Estimate Basal Metabolic Rate (BMR) using two common equations.
Body Fat Percentage Calculator (U.S. Navy Method)
Estimate body fat percentage from circumference measurements and compute BMI.
Heart Rate Zones Calculator (Karvonen + Tanaka)
Calculate training zones using heart rate reserve (Karvonen) and Tanaka max HR.
VO2max Calculator (Rockport 1-Mile Walk Test)
Estimate VO2max from a 1-mile walk test using age, weight, time, and end-test heart rate.
Advanced Protein Intake Calculator
Personalized protein intake estimate based on goals, activity, and training.
Peptide Calculator
Calculate reconstitution with bacteriostatic water, plan titration schedules, and visualize steady-state pharmacokinetics for GLP-1 and multi-agonist peptides.