Body Surface Area (BSA) Calculator
BSA by the Mosteller and DuBois formulas.
About Body Surface Area (BSA) Calculator
BSA by the Mosteller and DuBois formulas. The Body Surface Area (BSA) Calculator on Picscaler gives you the answer instantly in your browser, with no sign-up.
Inputs: Height (cm) and Weight (kg). Results shown: BSA (Mosteller) and BSA (DuBois).
Formula: Mosteller = sqrt(height cm x weight kg / 3600); DuBois = 0.007184 x W^0.425 x H^0.725. Used for dosing and for the corrected count increment.
This tool is for education and information. It does not replace clinical judgement, so confirm results against your laboratory's reference ranges and local guidelines.
How to use Body Surface Area (BSA) Calculator
- Enter Height (cm) and Weight (kg).
- Press Calculate.
- Read BSA (Mosteller) and BSA (DuBois) in the result table.
- Use the formula and notes under the result to check the working.
Frequently asked questions
Is Body Surface Area (BSA) Calculator free?
Yes. Body Surface Area (BSA) Calculator is completely free to use on Picscaler.
Do I need to create an account?
No. You can use it straight away without signing up.
Is my data safe?
Your input is processed in your browser on your own device and is not uploaded to Picscaler.
Can I use it for medical decisions?
No. It is an educational aid and does not replace professional medical judgement.
More medical laboratory calculators
- RBC Indices Calculator - MCV, MCH and MCHC from one set of values.
- MCV Calculator - Mean corpuscular volume.
- MCH Calculator - Mean corpuscular hemoglobin.
- MCHC Calculator - Mean corpuscular hemoglobin concentration.
- Absolute Neutrophil Count Calculator - Absolute neutrophil count from WBC and differential.
- Absolute Eosinophil Count Calculator - Absolute eosinophil count from WBC and differential.