Body Surface Area Calculator
Calculate Mosteller BSA and estimate surface-area-based dosage
Unit: cm
Unit: kg
Unit: mg/m²
Body Surface Area
1.79 m²
Estimated Dose
89.6 mg
Dose per 2 Divisions
44.8 mg
How this calculator works
Mosteller body surface area calculator with optional mg/m² dose estimate.
BSA (Mosteller) = √(Height cm × Weight kg ÷ 3600)
Quick tips
- •This uses the widely known Mosteller formula.
- •Medication dosing should only be finalized by a qualified clinician.
- •The dose result is informational and not a prescription.
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Body Surface Area Calculator
This body surface area calculator uses the Mosteller equation to estimate BSA and show how a dose expressed in mg/m² translates into an absolute amount.
Formula: BSA (Mosteller) = √(Height cm × Weight kg ÷ 3600)
- This uses the widely known Mosteller formula.
- Medication dosing should only be finalized by a qualified clinician.
- The dose result is informational and not a prescription.
Frequently Asked Questions
What is BSA used for?
Body surface area is often used in clinical settings for medication dosing and physiological assessment.
Is this safe to use for treatment decisions?
No. It is for education and planning only. Clinical dosing must be reviewed by a healthcare professional.