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Health Risk Calculators
Browse 8 tools, including BMI Calculator, Ideal Weight Calculator, Army Body Composition Calculator.
BMI Calculator
Calculate adult BMI and its reference category from height and weight.
Ideal Weight Calculator
Calculate the adult weight interval corresponding to BMI 18.5–24.9 at the entered height.
Army Body Composition Calculator
Calculate the waist-to-height ratio used by the Army’s July 2026 body-composition standard.
Healthy Weight Calculator
Calculate the adult weight interval corresponding to BMI 18.5–24.9 at the entered height.
GFR Calculator
Estimate adult eGFR with the race-free 2021 CKD-EPI creatinine equation.
BAC Calculator
Explore a simplified Widmark blood-alcohol estimate from explicit absorption and elimination assumptions.
Adult Underweight BMI Calculator
Calculate adult BMI and its reference category from height and weight.
Overweight Calculator
Calculate adult BMI and its reference category from height and weight.
8 working tools. Each page explains its inputs, formula and assumptions.