Medicine Calculators
Last updated: October 2026
BMI Calculator
Calculate Body Mass Index (BMI) — body weight in kg divided by height in metres squared — to screen for under/overweight categories.
Blood Pressure Risk Assessment Calculator
Assess your cardiovascular risk score based on blood pressure readings, age, smoking status, and family history of heart disease.
Daily Fluid Requirements Calculator
Estimates a patient's daily fluid needs using the Holliday-Segar method, a tiered weight-based formula.
BMI & Body Fat Percentage Calculator
Calculate your BMI and estimate body fat percentage from body measurements using the U.S.
Kidney Function Calculator (eGFR)
Estimate glomerular filtration rate (eGFR) for adults with the race-free CKD-EPI 2021 creatinine equation from serum creatinine, age and sex.
BSA-Based Dosage Calculator
Compute a body-surface-area-based medication dose using the DuBois BSA formula multiplied by the per-m² dose.
mg to mL Calculator (with Concentration)
Convert a mg dose to mL (or mL back to mg) using a solution concentration.
Body Surface Area Calculator
Calculate body surface area (BSA) in m² using the Mosteller, Du Bois or Haycock formula from your weight and height.
Body Fat Percentage Calculator
Estimate your body fat percentage using the US Navy circumference method.
BMI and Body Fat Calculator
Computes your BMI and estimates body fat percentage from weight, height, age, and sex.
A1C Calculator
Convert HbA1c to estimated average blood glucose (eAG) or the other way, using the ADAG standard formula.