Medical Calculators
Fat Free Mass (FFM)
Calculates the predictive value of fat free mass from body weight and body mass index (BMI).
Fibrosis-4 (FIB-4) Index for Liver Fibrosis
Noninvasive estimate of liver scarring in HCV and HBV patients, to assess need for biopsy.
Free Water Deficit in Hypernatremia
Calculates free water deficit by estimated total body water in a patient with hypernatremia or dehydration.
Glasgow Coma Scale (GCS)
Coma severity based on Eye (4), Verbal (5), and Motor (6) criteria.
HAS-BLED Score for Major Bleeding Risk
Estimates risk of major bleeding for patients on anticoagulation to assist risk-benefit assessment in atrial fibrillation care.
HEART Score for Major Cardiac Events
Predicts 6-week risk of major adverse cardiac events in patients with chest pain.
Ideal Body Weight and Adjusted Body Weight
Calculates ideal body weight (Devine formula) and adjusted body weight.
IV Drip Rate Calculator
Calculates IV infusion rate using drip counting when IV pumps are unavailable.
Maintenance Fluids Calculations
Calculates maintenance fluid requirements by weight.
Mean Arterial Pressure (MAP)
Calculates mean arterial pressure.
MELD Score (Original, Pre-2016, Model for End-Stage Liver Disease)
Quantifies end-stage liver disease for transplant planning.
National Early Warning Score (NEWS) 2
Determines the degree of illness of a patient and prompts critical care intervention (NHS).