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Cardiology Calculators

Evidence-based cardiovascular risk scores, dosing tools, and clinical decision support for heart care.

12 calculators
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ASCVD 10-Year Risk Calculator

Estimates 10-year risk of a first atherosclerotic cardiovascular disease event using the Pooled Cohort Equations.

% risk
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BMI and Body Surface Area Calculator

Calculates BMI and BSA using DuBois and Mosteller formulas for drug dosing and cardiac output estimation.

BMI, BSA
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CHADS2-VASc Score

Estimates annual stroke risk in patients with non-valvular atrial fibrillation to guide anticoagulation therapy.

points
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Creatinine Clearance (Cockcroft-Gault)

Estimates creatinine clearance for drug dosing adjustments, particularly for renally cleared cardiac medications.

mL/min
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GRACE Score 2.0

Estimates in-hospital and 6-month mortality risk in patients with acute coronary syndrome.

points & %
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HAS-BLED Score

Estimates one-year major bleeding risk in AF patients on anticoagulation. Use alongside CHADS2-VASc.

points
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HEART Score

Risk stratifies chest pain patients in the ED for major adverse cardiac events within 6 weeks.

points
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Heparin and LMWH Dosing Calculator

Calculates UFH bolus and infusion doses, plus LMWH therapeutic and prophylactic dosing.

units/mg
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Hypertension Classification & Treatment

Classifies blood pressure per 2017 ACC/AHA guidelines with treatment recommendations.

category
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QTc Interval Calculator

Corrects QT interval for heart rate using Bazett, Fridericia, Framingham, and Hodges formulas.

ms
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TIMI Risk Score for UA/NSTEMI

Predicts 14-day risk of death, MI, or urgent revascularization in unstable angina or NSTEMI.

points
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Warfarin Dosing Algorithm

Provides warfarin initiation and maintenance dosing based on INR with target range adjustments.

mg/week
⚠️ Medical Disclaimer: All calculators on this site are for educational and clinical decision-support purposes only. They are not a substitute for professional medical advice, diagnosis, or treatment. Always verify calculations independently and exercise clinical judgment.