Calculators

Body Mass Index: Calculate body mass index quickly and accurately from patient's weight (in kg) and height (in m)
Body Surface Area: Calculated according to the Dubois formula
Creatinine Clearance: Determines an estimate of glomerular filtration rate from subjects age and serum creatinine concentration
Imperial-metric conversions: Some useful conversions for volumes, lengths and weights
Paracetamol poisoning calculator: Calculate whether antidote administration is indicated
Pregnancy: Calculates expected due date from date of last menstrual period

British National Formulary