A tool to support the clinical decisions of doctors and health professionals, not for self-diagnosis or self-treatment.
This calculator is inside the patient's file in Clinicato: open it from "Medical tools" while you chart the visit, it fills in from the patient's details and vital signs where they are recorded, and adds its result to the visit's plan in one tap, with the "Medical tools" add-on. Try it in your clinic
Calculator
How it works and when to use it
Mosteller: the square root of height in cm times weight in kg divided by 3600, and the older Du Bois formula gives a close result in most adults.
Body surface area is used for chemotherapy and some drug doses, and to index measures to body size, such as the cardiac index.
Reference: Mosteller RD. N Engl J Med 1987;317:1098 (√(height cm × weight kg / 3600)); Du Bois D, Du Bois EF. Arch Intern Med 1916;17:863-71
Frequently asked questions
Which formula should I use?
Mosteller is the simplest and most used, what matters is using the formula your protocol or drug reference names.
Can it be used for children?
Yes, Mosteller is used for children too, with height and weight measured accurately.
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Clinic software for this specialty
Try Clinicato for your clinic
These calculators are free here for everyone, and in Clinicato 49 medical tools work inside the patient's file with the "Medical tools" add-on: filled from the visit and the vital signs, with the result added to the visit's plan, next to appointments, prescriptions and invoices.