Health Calculators
Body composition, blood markers, and daily health — with clinical-accuracy formulas
BMI Calculator
Body Mass Index with WHO categories and healthy weight range.
Body Fat %
US Navy method — body fat from waist, neck, and hip measurements.
BMR & TDEE
Daily calorie needs from Mifflin-St Jeor BMR and activity level.
FFMI
Fat-Free Mass Index — muscle development relative to height.
Lean Body Mass
Lean and fat mass breakdown using Boer and James formulas.
Ideal Body Weight
Ideal weight range from height — Devine, Hamwi & Robinson formulas.
Protein Intake
Daily protein target based on lean mass, goal, and activity level.
LDL Cholesterol
Friedewald formula — LDL from total cholesterol, HDL, and triglycerides.
HbA1c ↔ Blood Sugar
Convert between HbA1c % and estimated average blood glucose.
Atherogenic Index (AIP)
Cardiovascular risk from triglycerides and HDL — log(TG/HDL).
HOMA-IR
Insulin resistance index from fasting glucose and insulin levels.
Corrected Calcium
Albumin-adjusted calcium — important when albumin is abnormal.
eGFR
Kidney function from serum creatinine — CKD-EPI 2021 equation.