Clinical Precision at Your Fingertips
The most advanced, fully HIPAA-compliant medical calculator for modern healthcare professionals. Make evidence-based decisions in seconds.

Frictionless Dark-Mode Interface
No more clunky, outdated interfaces. MedCalc features an intuitive design that lets you input patient data quickly during high-stress rounds, fully optimized for night shifts.

Dynamic Decision Support
MedCalc doesn't just give you a number. It provides context. View linked, peer-reviewed medical literature and clinical guidelines directly below your results.

Engineered for Every Discipline
❤️ Cardiology
Instantly calculate CHA2DS2-VASc, TIMI Risk Scores, Framingham criteria, and QTc.
🧠 Neurology
Rapidly assess with NIHSS, Glasgow Coma Scale (GCS), and ABCD2 score for TIA.
🩺 Gastroenterology
Navigate complex assessments with MELD scores, Child-Pugh, and Rockall Risk scoring.
🫁 Pulmonology
Calculate absolute precision for Wells’ Criteria for PE, CURB-65, and precise ABG interpretations.
🩸 Hematology/Oncology
Access ANC, BSA dosing formulas, and the HAS-BLED bleeding risk score securely.
👶 Pediatrics
Ensure safety with weight-based dosing, APGAR scoring, and custom vital sign percentiles.
💧 Nephrology
Accurately determine eGFR, Fractional Excretion of Sodium (FENa), and anion gap.
🦋 Endocrinology
Access corrected calcium levels, HbA1c conversions, and thyroid storm scoring.
🦴 Orthopedics
Evaluate injuries rapidly using Ottawa Ankle/Knee Rules and fracture risk assessments.
👩⚕️ Gynecology & Obstetrics
Calculate Estimated Date of Delivery (EDD), Bishop score, and preeclampsia risk metrics.
🚑 Emergency Medicine
Make critical, time-sensitive decisions with the HEART score, NEXUS criteria, and PERC rule.
🔪 Surgery
Assess perioperative risk, Alvarado score for appendicitis, and burn fluid resuscitation (Parkland).
🧠 Psychiatry
Evaluate patients with the CIWA-Ar for withdrawal, SAD PERSONS scale, and psychiatric QTc risks.
👂 ENT
Quickly apply the Centor criteria for pharyngitis and evaluate OSA via the STOP-BANG questionnaire.
👁️ Ophthalmology
Calculate corrected intraocular pressure (IOP) and analyze pediatric visual acuity conversions.
🩹 Dermatology
Assess psoriasis severity (PASI score) and calculate precise body surface area for topical dosing.
☢️ Radiology
Determine safe IV contrast limits, eGFR clearance, and RECIST criteria evaluations for oncology.
🦠 Infectious Disease
Stratify sepsis risk using qSOFA/SIRS criteria and calculate endocarditis risks (Duke criteria).
🦵 Rheumatology
Track disease activity utilizing the DAS28 score and classify efficiently using ACR criteria.
🛡️ Immunology
Evaluate Absolute Lymphocyte Count (ALC) and analyze immunodeficiency scoring thresholds.
😴 Anesthesiology
Classify ASA physical status, evaluate airways with the Mallampati score, and calculate fluid deficits.
Trusted by Thousands of Providers
"MedCalc completely streamlined my morning rounds. The stroke and cardiology modules are the most intuitive I've ever used."
- Dr. S. Reynolds, Attending Neurologist
"Finally, an app that takes HIPAA compliance seriously while still looking like it was built in this decade."
- J. Hayes, Chief Nursing Officer
Elevate Your Clinical Workflow Today
Join over 50,000 physicians, nurses, and medical students who trust MedCalc.
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