Fagerstrom Nicotine Dependence (FTND)

Fagerstrom Test for Nicotine Dependence (Heatherton 1991): 6 items summed 0-10, where higher totals reflect greater nicotine dependence.

Open the calculator → Runs in your browser. Data leaves only if you deliberately send a problem report from the interactive tool.

Example

Time to first cigarette
3
Cigarettes per day
3

Result: Fagerstrom score 6 of 10 — high (6-7) nicotine dependence.

The tool opens with these values already filled in. Replace them with your own.

What the result means

0-4
Very low to low dependence.
5
Moderate.
6-10
High to very high nicotine dependence (6 items). A screening score, not a diagnosis.

What you enter

  • Time to first cigarette
  • Hard to refrain in forbidden places
  • First-of-morning cigarette is hardest to give up
  • Cigarettes per day
  • Smoke more in the first hours after waking
  • Smoke when ill in bed
How this is calculated

Heatherton TF, Kozlowski LT, Frecker RC, Fagerstrom KO. The Fagerstrom Test for Nicotine Dependence: a revision of the Fagerstrom Tolerance Questionnaire. Br J Addict. 1991;86(9):1119-1127. Read the source ↗

A reference and educational tool. Not medical, legal, or financial advice, and not a substitute for clinician judgment.

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Built by Clay Good. Source on GitHub.