Pack-Year Calculator

Your details

One standard pack contains 20 cigarettes.
cigarettes
Total number of years you smoked at this rate.
years
A standard pack is 20. Change it if you count by a different pack size.
cigarettes
Turn on to add a second period at a different daily rate, then the pack-years add up.
Adds age and quit-status questions to test the USPSTF screening criteria.
Adds a price-per-pack input to estimate what the cigarettes have cost.
Currency
Pack-yearsModerate exposure
15pack-years
Packs per day (period 1)1packs/day
Cigarettes smoked (approx.)109,575cigarettes
Packs smoked (approx.)5,479packs
15 pack-years
Light<10Moderate10-20Heavy20+

About 15 pack-years of smoking history.

  • Your smoking history works out to about 15 pack-years, the standard cumulative-exposure measure clinicians use.
  • Lung-cancer risk climbs with cumulative pack-years, so reducing or quitting now lowers your future risk.
  • Quitting at any age and any pack-year total measurably reduces the risk of lung cancer, heart disease and COPD over time.

Next stepTalk to your doctor or a quit-smoking service about cutting down or stopping.

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