• Calculator: 10-year risk of developing cardiovascular disease in men (Patient information)
• Calculator: 10-year risk of developing cardiovascular disease in women (Patient information)
• Calculator: Atrial fibrillation CHADS2 score for stroke risk
• Calculator: Framingham 10-year risk of general cardiovascular disease in men (2008 paper)
• Calculator: Framingham 10-year risk of general cardiovascular disease in women (2008 paper)
• Calculator: TIMI score for ST elevation acute myocardial infarction
• Calculator: TIMI score for unstable angina non ST elevation myocardial infarction

Cardiology calculators: Medical Equations

• Calculator: Cardiac output
• Calculator: Friedewald equation for low density lipoprotein (LDL)
• Calculator: Friedewald equation for low density lipoprotein (LDL, SI units)
• Calculator: Pulmonary vascular resistance
• Calculator: QT interval correction (EKG)
• Calculator: Systemic vascular resistance

Critical care calculators: Medical Equations

• Calculator: Right to left shunt fraction Qs/Qt

Emergency med calculators: Medical Equations

• Calculator: Blood ethanol concentration estimation
• Calculator: Burn injury fluid resuscitation (Parkland crystalloid estimate)

Endocrinology calculators: Medical Equations

• Calculator: Body mass index (Quetelet’s index)
• Calculator: Body mass index for adults (Patient information)
• Calculator: Calcium correction in hypoalbuminemia
• Calculator: Calcium correction in hypoalbuminemia (SI units)

Hematology calculators: Clinical Criteria

• Calculator: DVT probability: Wells score system
• Calculator: Myelodysplastic syndrome international prognostic scoring system
• Calculator: Polycythemia vera diagnostic criteria

Hematology calculators: Medical Equations

• Calculator: Absolute neutrophil count

ID calculators: Clinical Criteria

• Calculator: Community-acquired pneumonia severity index (PSI) for adults
• Calculator: Endocarditis diagnostic criteria — Duke criteria

Nephrology calculators: Medical Equations

• Calculator: Creatinine clearance (measured)
• Calculator: Creatinine clearance estimate by Cockcroft-Gault equation
• Calculator: Fractional excretion of sodium
• Calculator: Fractional excretion of sodium (SI units)
• Calculator: Glomerular filtration rate estimate by abbreviated MDRD study equation
• Calculator: Kt/V dialysis dose Daugirdas formula
• Calculator: Osmolal gap calculator
• Calculator: Osmolal gap calculator (SI units)
• Calculator: Residual renal function in hemodialysis patients (Kru)
• Calculator: Urinary protein excretion estimation

Neurology calculators: Clinical Criteria

• Calculator: Apgar score
• Calculator: Epworth sleepiness scale
• Calculator: Stroke risk in female patients 55 to 84 years old (Framingham data)
• Calculator: Stroke risk in male patients 55 to 84 years old (Framingham data)

Obstetrics calculators: Medical Equations

• Calculator: Estimated date of delivery (EDD) pregnancy calculator
• Calculator: Estimated delivery date (Patient information)
• Calculator: Gestational age from estimated date of delivery (EDD)

Oncology calculators: Medical Equations

• Calculator: AUC dose calculation for carboplatin (Calvert formula)
• Calculator: Body surface area (Du Bois method)
• Calculator: Body surface area (Mosteller, square root method)
• Calculator: Lean body weight (female)
• Calculator: Lean body weight (male)

Pediatrics calculators: Clinical Criteria

• Calculator: Apgar score
• Calculator: Newborn hyperbilirubinemia assessment

Pediatrics calculators: Medical Equations

• Calculator: Blood pressure percentiles for boys (2 to 17 years)
• Calculator: Blood pressure percentiles for girls (2 to 17 years)
• Calculator: Body mass index for boys (Patient information)
• Calculator: Body mass index for girls (Patient information)
• Calculator: Body mass index percentiles for boys (2 to 20 years)
• Calculator: Body mass index percentiles for girls (2 to 20 years)
• Calculator: Glomerular filtration rate estimate by Schwartz formula
• Calculator: Height for age percentiles for boys (2 to 20 years)
• Calculator: Height for age percentiles for girls (2 to 20 years)
• Calculator: Infant head circumference for age percentiles (< 36 months)
• Calculator: Infant length for age percentiles (< 36 months)
• Calculator: Infant weight for age percentiles (< 36 months)
• Calculator: Infant weight for length percentiles (< 36 months)
• Calculator: Maintenance fluid calculation for children
• Calculator: Mid-parental target height prediction
• Calculator: PELD score for end-stage liver disease (patients less than 12 years old)
• Calculator: WHO assessment of malnutrition in boys 0 to 2 years old
• Calculator: WHO assessment of malnutrition in boys 2 to 5 years old
• Calculator: WHO assessment of malnutrition in girls 0 to 2 years old
• Calculator: WHO assessment of malnutrition in girls 2 to 5 years old
• Calculator: Weight for height percentiles for boys (77 to 121 cm tall)
• Calculator: Weight for height percentiles for girls (77 to 121 cm tall)

Primary care calculators: Clinical Criteria

• Calculator: CIWA-Ar clinical institute withdrawal assessment for alcohol scale

Pulmonology calculators: Clinical Criteria

• Calculator: APACHE II scoring system
• Calculator: BODE index for COPD survival prediction
• Calculator: Epworth sleepiness scale
• Calculator: Pulmonary embolism Wells score

Pulmonology calculators: Medical Equations

• Calculator: Alveolar-arterial oxygen gradient
• Calculator: Epoprostenol infusion rate calculator
• Calculator: In-flight Pa02 estimation
• Calculator: In-flight Pa02 estimation (using pulmonary function tests)
• Calculator: Nasal cannula oxygen fraction of inspired 02 (Fi02) estimate
• Calculator: Oxygenation index (OI)
• Calculator: Peak expiratory flow prediction

Rheumatology calculators: Clinical Criteria

• Calculator: Rheumatoid arthritis clinical disease activity index (CDAI)
• Calculator: Rheumatoid arthritis disease activity score DAS28
• Calculator: Rheumatoid arthritis simplified disease activity index (SDAI)

Rheumatology calculators: Medical Equations

• Calculator: Corticosteroid medication dosing conversions (glucocorticoid effect)

Surgery calculators: Clinical Criteria

• Calculator: Pressure ulcer risk stratification
• Calculator: Venous clinical severity score
• Calculator: Venous segmental disease score for obstruction
• Calculator: Venous segmental disease score for reflux
• Calculator: Villalta score for severity of post-thrombotic syndrome