Adderall Dosage Calculator

Personalized ADHD Medication Dosing Guide

Calculate safe and effective Adderall dosages for children and adults. Enter your details to get a personalized recommendation based on clinical guidelines.

Practical Examples

See how to calculate Adderall dosages for different scenarios.

Child, IR, 25 kg, 2 doses/day

Child

A 9-year-old child weighing 25 kg, prescribed IR Adderall, 2 doses per day, 0.2 mg/kg per dose.

Body Weight: 25 kg

Age: 9

Formulation: Immediate Release (IR)

Doses/Day: 2

Dosage (mg/kg): 0.2

Max Daily Dose: 30

Adult, XR, 70 kg, 1 dose/day

Adult

A 28-year-old adult weighing 70 kg, prescribed XR Adderall, 1 dose per day, 0.3 mg/kg per dose.

Body Weight: 70 kg

Age: 28

Formulation: Extended Release (XR)

Doses/Day: 1

Dosage (mg/kg): 0.3

Max Daily Dose: 60

Child, IR, 60 lbs, 3 doses/day

Child

A 12-year-old child weighing 60 lbs, prescribed IR Adderall, 3 doses per day, 0.15 mg/kg per dose.

Body Weight: 60 lbs

Age: 12

Formulation: Immediate Release (IR)

Doses/Day: 3

Dosage (mg/kg): 0.15

Max Daily Dose: 30

Adult, IR, 80 kg, 2 doses/day, custom max

Adult

A 35-year-old adult weighing 80 kg, prescribed IR Adderall, 2 doses per day, 0.25 mg/kg per dose, max daily dose 50 mg.

Body Weight: 80 kg

Age: 35

Formulation: Immediate Release (IR)

Doses/Day: 2

Dosage (mg/kg): 0.25

Max Daily Dose: 50

Other Titles
Understanding Adderall Dosage: A Comprehensive Guide
Everything you need to know about safe and effective Adderall dosing.

What is Adderall Dosage?

  • Definition of Adderall Dosage
  • Why Dosage Matters
  • Factors Affecting Dosage
Adderall dosage refers to the amount of medication prescribed to treat ADHD or narcolepsy. Proper dosing is crucial for effectiveness and safety.
Key Dosage Principles

Dosage in Practice

  • A child weighing 30 kg may require a lower dose than an adult.
  • Dosage is adjusted based on response and side effects.

Step-by-Step Guide to Using the Calculator

  • Entering Your Details
  • Understanding the Results
  • Adjusting for Safety
Start by entering your weight, age, formulation, and frequency. The calculator provides a recommended dose based on clinical guidelines.
How to Use the Calculator

Calculator Usage

  • If you select XR, the calculator adjusts for once-daily dosing.
  • Entering a max daily dose helps ensure safety.

Real-World Applications of Adderall Dosage Calculation

  • For Parents and Caregivers
  • For Adults with ADHD
  • For Healthcare Providers
This tool helps parents, adults, and clinicians quickly estimate safe Adderall doses, supporting informed discussions with healthcare providers.
Practical Use Cases

Real-World Scenarios

  • A parent checks if a prescribed dose is within guidelines.
  • A doctor uses the tool for quick reference during consultations.

Common Misconceptions and Correct Methods

  • Myth: More is Better
  • Myth: All Weights Use Same Dose
  • Correct: Individualized Dosing
Adderall dosing must be individualized. Higher doses do not always mean better results and can increase side effects.
Avoiding Dosage Mistakes

Dosage Myths vs. Facts

  • Never exceed the maximum daily dose without medical advice.
  • Always use weight-based calculations for children.

Mathematical Derivation and Examples

  • The Dosage Formula
  • Unit Conversions
  • Worked Examples
The standard formula: Total Daily Dose = Weight (kg) × mg/kg × Doses per Day. For lbs, convert to kg first (1 kg = 2.20462 lbs).
Sample Calculation

Math in Action

  • A 60 kg adult at 0.3 mg/kg, 2 doses/day: 60 × 0.3 × 2 = 36 mg/day.
  • A 50 lbs child at 0.2 mg/kg, 2 doses/day: 50 / 2.20462 × 0.2 × 2 ≈ 9 mg/day.