Health tool map
Health screening
Clinical scores, lab measures, and screening calculations.
Choose the tool whose inputs and output match your task. Check each calculator’s assumptions and limitations before using its result.
2020 Vision Calculator
Review lifestyle inputs linked with eye health education, see the exact activity, diet, and smoking score logic, and learn the limits of this vision risk flag.
4Ts Score Calculator
Estimate 4Ts pretest probability for heparin-induced thrombocytopenia by summing thrombocytopenia, timing, thrombosis, and other-cause scores.
6 Minute Walk Test Calculator
Compare six-minute walk distance with sex-specific predicted values, lower limits, and percentage expected using the equations in the calculator form.
Acid Base Calculator
Interpret pH, PCO2, bicarbonate, sodium, chloride, and albumin for educational acid-base pattern review, including anion gap and albumin correction.
Ankle-Brachial Index (ABI) Calculator
Calculate ankle-brachial index from arm and ankle systolic pressures, with lower-ABI interpretation, PAD context, limitations, and medical disclaimer.
Blood Pressure Calculator
Categorize an adult blood pressure reading from systolic and diastolic values, using the exact threshold logic in the calculator and clinical cautions.
Blood Sugar Calculator
Convert blood glucose between mg/dL and mmol/L, see the exact conversion factor, and compare readings with educational ADA-style categories.
Drug Half Life Calculator
Estimate remaining drug concentration from initial amount, half-life, elapsed time, and unit selection using exponential decay, with pharmacokinetic cautions.
Occupational Noise Criterion Dose Calculator
Calculate occupational noise dose under one selected OSHA or NIOSH criterion while keeping their assumptions separate.