Cigarette pack-year index
Packs or cigarettes/day × years — exposure index for discussion only.
Pending a named Nera physician approval — educational content until review is recorded.
Educational only — not a diagnosis or a substitute for clinical advice. Never use to stop medication or decide treatment eligibility.
About this tool
What is it?
Approximate pack-year calculation from smoking amount and years.
Who is it for?
Current or former smokers wanting an approximate figure for clinical discussion.
When not to use
Not a lung-disease diagnosis and not a licensed nicotine-dependence scale.
How to use
Enter packs or cigarettes per day and years smoked.
What the result means
Pack-years are an approximate cumulative exposure index for discussion only.
When to seek help
Ask for quit support via family medicine or pulmonology.
Sources
- Centers for Disease Control and Prevention — Smoking & tobacco use (2024) — Open source
FAQ
- Is this tool a diagnosis?
- No. Pack-years is educational preparation for a clinician discussion only.
- Are my health answers stored?
- Health inputs are not sent to ads. Only a general result band may be stored for measurement and conversion.
Related links
Health inputs are not sent to ad platforms. Only a general result band is stored for measurement and conversion.