MDCalc Medical Calculator

MDCalc is the leading clinical decision support app providing 900+ evidence-based calculators, risk scores, and clinical tools to support patient care at the bedside. MDCalc has been trusted by millions of clinicians since 2005.

Why Clinicians Choose MDCalc:

• Created by Physicians, for Physicians - All tools developed and validated by board-certified physicians

• 900+ Clinical Tools - Risk scores, algorithms, dosing calculators, and more with consistent updates and new tools added regularly

• Works Offline - Full functionality without internet connection

• Evidence-Based - Every tool includes research validation and expert commentary

• CME Tracking - Earn CME just by reading through the clinical content surrounding many of our tools

• Free Registration - Complete access in under 30 seconds

Key Features:

Smart Search & Organization

• Quick search across all tools

• Customizable favorites and specialty lists

• Recently used tools for quick access

• Auto-sync between web and mobile

• Explore page for personalized suggestions

Clinical Expertise

• Expert insights from creators

• Pearls & pitfalls from specialists

• Evidence summaries with PubMed links

• Error warnings and normal value ranges

Workflow Support

• Toggle between US and SI units instantly

• Works in limited connectivity settings

• Easy to use at the point-of-care

Popular Tools Include:

• Creatinine Clearance - Cockcroft-Gault Equation

• HA2DS2-VASc Score - Atrial Fibrillation Stroke Risk

• HEART Score- Major Cardiac Events

• Wells' Criteria - Pulmonary Embolism & DVT

• MELD Score - End-Stage Liver Disease

• HAS-BLED Score - Major Bleeding Risk

• SIRS/Sepsis Criteria - Septic Shock Assessment

• Mean Arterial Pressure - Hemodynamic Monitoring

MDCalc ensures only the highest-quality, clinically relevant tools make it into the app. Each calculator undergoes rigorous evidence appraisal and validation by our network of academic and practicing physician experts.