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Both calculators run independently — change the inputs on either side to compare results.

Body Surface Area Calculator

Calculate body surface area (BSA) in m² using the Mosteller, Du Bois or Haycock formula from your weight and height. Clinicians use BSA to dose chemotherapy, normalise cardiac index and estimate burn coverage.

Weight (kg)

Height (cm)

BSA Formula

Fill in the required fields to see your result.

Medicine

Medication Dosage Calculator

Compute a renal-function-adjusted medication dosage using patient weight, the prescribed mg/kg dose, and Cockcroft-Gault creatinine clearance scaled to a reference of 120 mL/min. Provides a rough dose estimate, not a substitute for clinical pharmacy review.

Patient Weight (kg)

Patient Age (years)

Serum Creatinine (mg/dL)

Gender

Medication Type

Fill in the required fields to see your result.

Key differences

	Body Surface Area Calculator	Medication Dosage Calculator
Category	Medicine	Medicine
Inputs required	3	5
Result	Body Surface Area (m²)	Adjusted Dosage (mg)
What it does	Calculate body surface area (BSA) in m² using the Mosteller, Du Bois or Haycock formula from your weight and height. Clinicians use BSA to dose chemotherapy, normalise cardiac index and estimate burn coverage.	Compute a renal-function-adjusted medication dosage using patient weight, the prescribed mg/kg dose, and Cockcroft-Gault creatinine clearance scaled to a reference of 120 mL/min. Provides a rough dose estimate, not a substitute for clinical pharmacy review.