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Body surface area: Mosteller and Du Bois

Oncology & dosing

Chemotherapy is dosed per m². Mosteller is the one most protocols and pharmacy systems use; Du Bois is the historical reference.

What you enter

  • Height (cm or in)
  • Weight (kg or lb)
FORMULAMosteller: √(height cm × weight kg ÷ 3600); Du Bois: 0.007184 × W^0.425 × H^0.725
SourceMosteller RD. Simplified calculation of body-surface area. NEJM 1987;317:1098; Griggs JJ et al. ASCO guideline on chemotherapy dosing in obese adults, J Clin Oncol 2012 (updated 2021)ReviewedFormula and thresholds checked against the source on 2026-08-22. If the source updates, this line will say so.