Free calculators for A1C, blood sugar, cholesterol ratios, and other metabolic health measures.
Metabolic Health
Anion Gap Calculator
Use this anion gap calculator to find your serum anion gap from basic metabolic panel values, a screening step for metabolic acidosis.
Biological Age Calculator
Use this biological age calculator to estimate a lifestyle-risk wellness age from your smoking, activity, sleep, and diet habits.
Blood Type Calculator
Use this blood type calculator to see the possible ABO and Rh blood types a child could inherit from two parents.
Cardiac Output Calculator
Use this cardiac output calculator to find your cardiac output and cardiac index from heart rate and stroke volume.
Cholesterol Calculator
Use this cholesterol calculator to find your LDL cholesterol and total-to-HDL ratio from a standard lipid panel.
Corrected Calcium Calculator
Use this corrected calcium calculator to adjust your measured calcium for low albumin, which skews true calcium status low.
Creatinine Clearance Calculator (Cockcroft-Gault)
Use this creatinine clearance calculator to estimate your kidney function using the Cockcroft-Gault equation.
eAG/A1C Calculator
Use this A1C calculator to convert between A1C and estimated average glucose (eAG) in either direction.
Free Testosterone Calculator
Use this free testosterone calculator to estimate your free and bioavailable testosterone from total testosterone, SHBG, and albumin.
Life Expectancy Calculator
Use this life expectancy calculator to estimate your remaining life expectancy using Social Security actuarial data.
Metabolic Age Calculator
Use this metabolic age calculator to compare your BMR to typical values for other ages, the same metric used on smart scales.
Triglyceride-to-HDL Ratio Calculator
Use this triglyceride-to-HDL ratio calculator to calculate your TG/HDL-C ratio from your lipid panel results.