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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

Ideal Body Weight Calculator

Estimate ideal body weight in kg from height using the Devine formula, returning a single reference weight for a given sex. Use it as a baseline for medication dosing or clinical assessment, not as a personal weight target.

Height (cm)

Gender

Fill in the required fields to see your result.

Key differences

	Medication Dosage Calculator	Ideal Body Weight Calculator
Category	Medicine	Medicine
Inputs required	5	2
Result	Adjusted Dose (mg)	Ideal Body Weight (kg)
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.	Estimate ideal body weight in kg from height using the Devine formula, returning a single reference weight for a given sex. Use it as a baseline for medication dosing or clinical assessment, not as a personal weight target.