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Medication Dosage Calculator
Calculate accurate dosages for weight-based, pediatric, IV infusion, and renal dosing — with scheduling support
⚖️ Weight-Based Dosage Calculator
Calculate dose based on patient weight (mg/kg). Suitable for most adult and general medications.
Patient Information
kg
Please enter a valid weight
yrs
Medication Details
mg/kg
Please enter dose per kg
mg/mL
mg/day
days
Dosage Calculation Results
Weight-based dosing summary
—
mg per dose
Single Dose Amount
⚕️ Clinical Disclaimer: This calculator is for educational and reference purposes only. Always verify calculations with a licensed pharmacist or prescribing physician. Do not use as a substitute for professional medical judgment.
👶 Pediatric Dosage Calculator
Calculate pediatric doses using weight, age, and BSA-based methods including Clark's, Young's, and Fried's rules.
Clark's Rule
Weight-based: (Child weight ÷ 70 kg) × Adult dose
Young's Rule
Age-based: [Age ÷ (Age + 12)] × Adult dose (>2 yrs)
Fried's Rule
Infants: (Age in months ÷ 150) × Adult dose
Child Information
kg
Please enter weight
yrs
mos
cm
Medication
mg
Please enter adult dose
mg/kg
mg/5mL
mg
Pediatric Dosing Results
Multiple calculation methods compared
⚕️ Pediatric dosing requires special care. Always confirm with a pediatric pharmacist or physician. Dosages for infants and neonates especially require professional verification.
💉 IV Infusion Rate Calculator
Calculate infusion rates, drip rates, and fluid delivery for intravenous medications.
Patient & Order
kg
Solution Details
mL
Please enter volume
mg
Please enter drug amount
Infusion Order
mcg/kg/min
Please enter ordered dose
hours
IV Infusion Results
Infusion rate and drip calculation
⚕️ IV medication calculations must be verified by a licensed nurse or pharmacist before administration. Pump settings require independent double-check per institutional protocol.
🫘 Renal Dosage Adjustment Calculator
Calculate creatinine clearance (CrCl) using Cockcroft-Gault and adjust doses for renal impairment.
Patient Information
yrs
Enter valid age
kg
Enter valid weight
cm
mg/dL
Enter serum creatinine
Standard Dose
mg
Renal Dose Adjustment Results
Based on Cockcroft-Gault equation
⚕️ Renal dosing adjustments vary by drug and indication. These calculations are estimates — always consult current prescribing information and a clinical pharmacist for renally-impaired patients.
📋 Common Drug Dosage Reference
Quick reference guide for common medications — standard adult doses, ranges, and key notes.
| Drug Name | Category | Adult Dose | Frequency | Route | Notes |
|---|