Compare calculators
Both calculators run independently — change the inputs on either side to compare results.
Medicine
BSA-Based Dosage Calculator
Compute a body-surface-area-based medication dose using the DuBois BSA formula multiplied by the per-m² dose. Standard approach for chemotherapy and a few other classes of drugs whose pharmacokinetics scale with BSA.
Fill in the required fields to see your result.
Medicine
BMI Calculator
Instantly compute your Body Mass Index from weight and height to screen which WHO weight category you fall in. Returns a single kg/m² number classified as underweight, normal, overweight, or obese.
Fill in the required fields to see your result.
Key differences
| BSA-Based Dosage Calculator | BMI Calculator | |
|---|---|---|
| Category | Medicine | Medicine |
| Inputs required | 3 | 2 |
| Result | Total Dose (mg) | Your BMI |
| What it does | Compute a body-surface-area-based medication dose using the DuBois BSA formula multiplied by the per-m² dose. Standard approach for chemotherapy and a few other classes of drugs whose pharmacokinetics scale with BSA. | Instantly compute your Body Mass Index from weight and height to screen which WHO weight category you fall in. Returns a single kg/m² number classified as underweight, normal, overweight, or obese. |