Last updated: October 9, 2026

Cigars, Pipes and Roll-Your-Own: What Counts Toward Pack Years?

Pack-years are defined for cigarettes: (cigarettes per day ÷ 20) × years. Hand-rolled cigarettes count like any cigarette. For cigars, cigarillos and pipes there is no standard conversion; studies use different methods that are not comparable with cigarette pack-years. U.S. screening guidelines are based on cigarette pack-years only.

Why there is no standard cigar or pipe conversion

Size varies enormously: a little cigar can be similar to a cigarette, while a single large cigar can contain as much tobacco as a whole pack of cigarettes (American Lung Association, citing the National Cancer Institute).
Inhalation differs: many cigar and pipe smokers do not inhale deeply, which lowers lung exposure but not the risk of mouth, throat and oesophageal cancers. People who switched from cigarettes often keep inhaling.
Research uses different methods: some studies convert by tobacco weight, others count one cigar or pipe bowl as a fixed number of cigarettes. The factors differ between studies, so results are not comparable with cigarette pack-years.

Practical approach: record cigarettes as pack-years, and record cigars, cigarillos and pipes separately as how many per day/week, for how many years, and whether you inhaled. Your doctor can weigh this when judging your overall risk.

Sources: American Lung Association: Health effects of cigars; National Cancer Institute, Smoking and Tobacco Control Monograph 9 (Cigars).

Roll-your-own and pouch tobacco

Hand-rolled cigarettes are cigarettes, so count them directly: 15 roll-ups a day for 20 years is 15 ÷ 20 × 20 = 15 pack-years. If you only know how much loose tobacco you use, count how many cigarettes a pouch makes for you and work out the number per day — roll-up size varies a lot between smokers, so a fixed grams-per-cigarette rule can be misleading.

Screening if you smoked cigars or pipes

U.S. screening criteria (20+ pack-years, age 50–80) are based on cigarettes. If you smoked cigars or a pipe heavily — especially if you inhaled or also smoked cigarettes — tell your doctor; they may consider your overall risk. Cigarette years always count, so add them with the pack-year history calculator.

Frequently Asked Questions

How do you calculate pack-years for cigars?

There is no official method. Cigar size ranges from cigarette-like little cigars to large cigars containing as much tobacco as a pack of cigarettes, and research uses different conversions. Record cigars separately; screening rules count cigarettes only.

Do roll-your-own cigarettes count toward pack-years?

Yes. Hand-rolled cigarettes are counted like manufactured cigarettes: cigarettes per day divided by 20, multiplied by years smoked.

Is pipe smoking included in pack-years?

Not in the standard definition. Screening guidelines count cigarettes only; tell your doctor separately how much and how long you smoked a pipe.

Are cigars safer than cigarettes?

No. Cigar smoking causes cancers of the mouth, throat, oesophagus and lung. Risk is generally lower than for cigarette smokers who inhale, but rises with the amount smoked and with inhaling.

Medical disclaimer: This page is for information only and is not medical advice. Talk to a qualified healthcare professional about your own situation.