Medical Calculator is an iPhone and iPod touch app that helps doctors and nurses compute useful formulas and equations. With more than 250,000 installs worldwide, this is the most popular Medical Calculator for the iPhone.

Install Medical Calculator Now!

This clinical calculator gives you quick access to calculations that are too hard to memorize or perform in your head. MedCalc supports US and SI units.

• A-a Oxygen Gradient
• ABCD2 Score for TIA
• Absolute Neutrophile Count (ANC)
• Age Calculator
• Alcoholic Hepatitis Discriminant Function
• Anion Gap
• APACHE II Score
• APGAR Score
• Basal Energy Expenditure
• Body Mass Index (BMI)
• Body Surface Area (BSA)
• Bicarb Deficit
• CHADS2 Score for stroke risk
• Child-Pugh Score
• Corrected Calcium for Hypoalbuminemia
• Corrected Phenytoin
• Corrected QT for HR (QTc)
• Corrected Sodium
• Creatinine Clearance (Cockcroft-Gault)
• Creatinine Clearance (Measured)
• CSF WBC Correction for RBCs
• Delta Gap
• Fick Cardiac Output
• Fractional Excretion of Sodium (FENa)
• Fractional Excretion of Urea (FEUrea)
• Framingham Cardiac Risk
• Free Water Deficit
• GFR (Cockcroft-Gault)
• GFR (MDRD)
• Glasgow Coma Scale
• Ideal Body Weight (IBW)
• IV Dose Calculator
• IV Infusion Rate
• LDL Cholesterol
• Lean Body Weight
• Maintenance Fluids
• Mean Arterial Pressure (MAP)
• MELD Score (Model for End-Stage Liver Disease)
• Opioid (Narcotic) Converter
• Oxygenation Index
• Parkland Burns
  • Fluid requirements for first 8 hours
  • Fluid requirements for first 24 hours
• Peak Expiratory Flow
• PERC Rule
• PORT (PSI) Score
• Pregnancy Wheel
  • Enter last menstrual period (LMP) or due date (EDC)
  • Conception date
  • 1st trimester date
  • 2nd trimester date
  • Estimated Date of Confinement (EDC, due date)
  • Weeks pregnant today
• Ranson’s Criteria for pancreatitis mortality
• Renal Failure Index
• Serum Osmolality
• Steroid Converter
• TIMI Score for STEMI
• TIMI Score for UA/NSTEMI
• Weight Conversions
• Well’s Criteria for Pulmonary Embolism (PE)
• Winter’s Formula for Metabolic Acidosis Compensation

More equations are coming soon in free updates! If there’s a particular equation you’d like to see, let me know. I’m keeping a list and will work on adding the most popular requests.