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Calculates reference medication doses based on adult dosage and child's age. Supports common units like ml and grams to provide parents with preliminary dosage guidance.
Enter data to calculate a safe dose.
Clark Formula (Weight): (Child's weight kg / 70) × Adult Dose. This is the most commonly used method.
Young Formula (Age): (Age / (Age + 12)) × Adult Dose. Applicable for children aged 1-12 years.
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Estimate fetal weight using ultrasound measurements (BPD, AC, FL) with multiple standard obstetric formulas.
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Calculate the minimum daily calories your body needs at rest based on gender, height, weight, and age. Get a scientific reference for your diet and fitness plans.
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Parents often worry about safety risks due to the difficulty of determining the correct medication dosage for children. This tool uses age-based dosage conversion formulas (such as Young's Rule and Fried's Rule) to convert adult doses into pediatric reference doses. The pediatric dosage calculator is an age-based medication conversion tool. Simply input the single adult dose (ml/g/packet/pill) and the child's age (years/months) to get a preliminary medication reference value.
Q: Does the calculation consider the child's weight?
A: No. This tool is strictly based on age conversion. Weight-based dosage requires professional medical calculation.
Q: What is the difference in calculation principles for different age groups?
A: Infants under 1 year old use Fried's Rule (Dose = Adult Dose × Age in Months / 150), while children over 2 years old use Young's Rule (Dose = Adult Dose × Age in Years / (Age in Years + 12)). The 1-2 year age range requires careful evaluation combining both methods.
The calculated results are for reference only; actual medication administration must follow a doctor's advice. For children with special conditions (premature infants or those with liver/kidney abnormalities), you must consult a physician. The input units must match the medication package insert. Closely observe the child's reaction after administering the medication.
Clinical medication requires comprehensive consideration of parameters like weight and body surface area. This tool provides a simplified calculation suitable for preliminary estimation of common medications. For example: For a medication with an adult dose of 200 ml, a 3-year-old child would have a reference dose of 40 ml using Young's Rule (200 × 3 / (3 + 12) = 40). However, precise dosages should always be based on a doctor's calculation using the child's actual weight (mg/kg).
