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Both calculators run independently — change the inputs on either side to compare results.

Medication Dosage Calculator

Calculate a weight-based medication dose adjusted for patient age and kidney function. Useful for clinicians and pharmacists when standard dosing requires renal or geriatric modifications.

Patient Weight (kg)

Standard Dose (mg/kg)

Serum Creatinine (mg/dL)

Patient Age (years)

Renal Adjustment Factor

Fill in the required fields to see your result.

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.

Weight (kg)

Height (cm)

Dose per m² (mg/m²)

Fill in the required fields to see your result.

Key differences

	Medication Dosage Calculator	BSA-Based Dosage Calculator
Category	Medicine	Medicine
Inputs required	5	3
Result	Adjusted Dose (mg)	Total Dose (mg)
What it does	Calculate a weight-based medication dose adjusted for patient age and kidney function. Useful for clinicians and pharmacists when standard dosing requires renal or geriatric modifications.	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.