Weight-Based Dosing
Pediatric and adult weight-adjusted calculations.
Weight-Based DosingNew
Pediatric Dosing Calculator
Calculate mg/kg/dose and daily totals for common medications.
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Weight-Based DosingNew
Adjusted Body Weight
Calculate ABW, IBW, and LBW for medication dosing.
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Weight-Based Dosing
Pediatric BMI
BMI percentiles for children.
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Clinical Overview
Many medications require precise weight-based dosing. In adults, the challenge is determining when to use actual, ideal, or adjusted body weight. In pediatrics, almost all dosing is weight-based.
Common Use Cases
- •Pediatric antibiotic dosing
- •Adjusted body weight for obese patients
- •Maximum daily dose limits
Clinical Pearls
Maximum Doses
When calculating pediatric doses for older or heavier children, always check that the calculated weight-based dose does not exceed the maximum recommended adult dose.
Ideal Body Weight Equations
The Devine formula is the most widely used for IBW: 50 kg (men) or 45.5 kg (women) + 2.3 kg for every inch over 5 feet.