Why give two BSA formulas?
Some hospitals prefer Mosteller while oncology orders often cite Du Bois. Having both lets you reconcile your paperwork instantly.
Step-by-step walkthrough
Body Surface Area Calculator Guide
Use this companion guide beside the interactive calculator to make sure you understand the “why” behind every click. Each section includes the classroom explanation, student-friendly language, and quick practice prompts.
Before you start
Collect the data points listed below and double-check their units. Keeping an organized “givens” list is one of the fastest ways to reduce math errors and impress exam graders.
- bsa
- body surface area
- chemo dosing
Detailed procedure
Step 1
Choose metric or imperial inputs, then enter height and weight.
Step 2
Switch units as needed—the calculator converts to the centimeters/kilograms required by each formula.
Step 3
Read the Mosteller and Du Bois surface areas along with a sample mg/m² medication dose for quick context.
Teaching & troubleshooting tips
Can I type feet/inches or pounds?
Yes. Switch the units to imperial and the calculator converts everything to metric internally before running the formulas.