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MDCalc Medical Calculator

Join millions of clinicians using 900+ physician-validated tools to make faster, evidence-based decisions at the bedside. Access risk scores, dosing calculators, and earn CME credits anywhere—even offline.

Medical ›

Key Figures

Downloads

2M+

User Rating

4.9/5

Total Ratings

110K+

Publisher

MDCalc Ltd., Inc.

Precision Decision Support for Modern Clinicians

Equip yourself with 900+ validated medical tools designed to reduce cognitive load and enhance patient safety during your most demanding shifts.

Physician-Vetted Reliability

Trust every calculation with evidence-based summaries, expert pearls, and direct PubMed links for over 900 clinical tools and risk scores.

Rapid Bedside Utility

Navigate fast-paced rounds with smart search, customizable favorites, and 100% offline functionality for zero-latency care in hospital dead zones.

FAQ

Frequently Asked Questions

Everything you need to know about MDCalc Medical Calculator

What is the MDCalc Medical Calculator app?

MDCalc is a leading clinical decision support app. It provides over 900 evidence-based calculators, risk scores, and clinical tools to assist clinicians in patient care at the bedside.

Does the MDCalc app work offline?

Yes, the MDCalc app works offline. It provides full functionality without an internet connection, allowing clinicians to use it in limited connectivity settings.

Is the content in the MDCalc Medical Calculator app evidence-based?

Yes, all tools in the MDCalc app are evidence-based. Each calculator undergoes rigorous evidence appraisal and validation by a network of academic and practicing physician experts.

Can users earn CME credits with the MDCalc app?

Yes, users can earn AMA PRA Category 1 CME credits™ by reading through the clinical content surrounding many tools within the MDCalc app.

How can I organize clinical tools within the MDCalc app?

The MDCalc app allows for quick search across all tools. Users can create customizable favorites and specialty lists, and access recently used tools for efficient workflow support.

Who develops the clinical tools in MDCalc?

Board-certified physicians develop and validate all clinical tools in MDCalc. They also provide expert insights, pearls, pitfalls, and evidence summaries with PubMed links.

How many clinical tools does the MDCalc app offer?

The MDCalc app offers over 900 clinical tools, including risk scores, algorithms, and dosing calculators. The app consistently updates and adds new tools regularly.

Does MDCalc support different measurement units?

Yes, MDCalc supports different measurement units. Users can instantly toggle between US and SI units, providing flexibility for various clinical contexts.

Is registration required to use MDCalc, and how long does it take?

Yes, registration is required for MDCalc. However, it is free, and users gain complete access in under 30 seconds.

The following screenshots and description are sourced directly from the app's official store listing and are the property of the app developer.

App Store

Screenshots

MDCalc Medical Calculator - MDCalc app interface showing the Wells Score for Pulmonary Embolism clinical decision support tool. — MDCalc app interface showing the Wells Score for Pulmonary Embolism clinical decision support tool.

MDCalc Medical Calculator - MDCalc app interface displaying expert clinical insights and creator commentary from Dr Phil Wells. — MDCalc app interface displaying expert clinical insights and creator commentary from Dr Phil Wells.

MDCalc Medical Calculator - Smartphone screen showing MDCalc app CME content for Wells Score for PE with earned credit status. — Smartphone screen showing MDCalc app CME content for Wells Score for PE with earned credit status.

MDCalc Medical Calculator - MDCalc app interface showing a custom quick access list of medical calculators and clinical decision tools — MDCalc app interface showing a custom quick access list of medical calculators and clinical decision tools

MDCalc Medical Calculator - MDCalc app interface on a smartphone showing medical tools and offline functionality — MDCalc app interface on a smartphone showing medical tools and offline functionality

Description

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.