Fagerström Nicotine Dependence Calculator
Evaluate physical nicotine addiction severity using the validated 6-question Fagerström test.
Input Parameters
Enter details for calculation.
Fagerström Score
Expert Tip
Higher scores indicate severe dependence, suggesting high-dose nicotine replacement therapy (NRT) is appropriate for cessation.
Calculation Methodology & Details
Formula
This uses a 2-item HSI subset representing the most predictive components.
Important Disclaimer
The calculations provided are for educational and general informational purposes only. They do not replace professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider.
How Fagerström is Scored
Follow these steps to use this calculator:
Log Wakeup Smoking Habits
Select timing of first cigarette.
Log Quantity
Select daily cigarette average.
Related Calculators
View All Health Tools →Detailed Insights & Expert Guide
ℹ️ About this Calculation
This addiction medicine calculator provides validated clinical screening, withdrawal severity monitoring, substance dependence scoring, and financial savings projections based on DSM-5 and SAMHSA assessment guidelines.
Variable Glossary
Substance Usage Data
Daily consumption volume, years smoked, clinical symptoms (tremors, sweating), or questionnaire choices.
Clinical Risk Indexes
Blood alcohol concentration (BAC %), CIWA withdrawal score, pack-year index, or dependence tier.
How to Calculate Step-by-Step
Step 1
Select the substance screening instrument or input usage parameters (drinks, packs, duration).
Step 2
Complete symptom severity ratings or financial cost details.
Step 3
Review clinical risk interpretation, recommended detox protocols, or cumulative savings projections.