Burnout BURNOUT

Life Minutes Calculator

Each cigarette costs 11 minutes of life on average. Enter your smoking history to see the full reckoning — and what quitting now means.

20 cigarettes
160
10 years
150

Total life lost to smoking

—

Total cigarettes smoked

—

Total minutes lost

—

At your current rate — per year

—

cigarettes/year

—

life minutes lost per year

—

days of life per year

The 11-Minute Finding

Where the Number Comes From

In 2000, Shaw, Mitchell, and Dorling published a landmark study in the British Medical Journal analysing mortality data across large smoking and non-smoking populations. Their conclusion: each cigarette smoked reduces life expectancy by an average of 11 minutes. A 20-cigarettes-per-day habit therefore costs approximately 3.5 hours per day — or roughly 55 days of life per year.

This figure represents a population average across all smokers. The loss is front-loaded — smokers who develop serious diseases like lung cancer or COPD lose significantly more years, while others who quit early recover much of the expected deficit.

What Quitting Does to the Equation

Quitting smoking is the most impactful health intervention most people can make. Research from Doll et al. (British Doctors Study) found that quitting before age 35 restores life expectancy to near that of a non-smoker. Quitting before 50 eliminates about 50% of the excess mortality risk. Even quitting after 60 produces measurable benefit.

The calculator above represents the past. The future is determined by what you do starting now.

Frequently Asked Questions

Where does the 11 minutes per cigarette figure come from?
The estimate derives from a 2000 study by Shaw, Mitchell, and Dorling published in the British Medical Journal (BMJ). They analysed mortality data and concluded that each cigarette smoked costs approximately 11 minutes of life expectancy on average.
Is this figure accurate for everyone?
It is a population average. Individual loss depends on genetics, overall health, smoking intensity, and when you quit. But the directional truth is consistent: heavier, longer-term smokers lose more life expectancy. Quitting at any age reduces the trajectory.
Can I actually get those minutes back by quitting?
Not the lost years directly — but quitting smoking dramatically reduces further loss. Research shows that quitting before 40 eliminates about 90% of the excess mortality risk from smoking. Quitting at 50 still eliminates about 50%. The sooner you quit, the more you save.
Does filter type or cigarette brand affect the 11-minute figure?
"Light" or filtered cigarettes were shown in multiple studies to provide no meaningful reduction in mortality risk. Smokers compensate by inhaling more deeply. The 11-minute estimate applies broadly regardless of brand.

More Free Tools

Quit Smoking Savings Calculator

Calculate exactly how much money you've saved since quitting smoking. Enter your quit date and cigarette spend to see real-time savings and 10-year projections.

Vaping Withdrawal Timeline

Enter when you last vaped to see your personalised withdrawal timeline. Know exactly what symptoms to expect, when they peak, and when they ease.

Annual Cigarette Impact

Enter cigarettes per day to see your annual impact: total cigarettes, packs, cost, life minutes lost, and the 70+ carcinogens you inhale. The numbers are visceral.

Start taking your life back with Burnout

Every day smoke-free is a day you are no longer losing. The clock is on your side now.

Coming Soon
App Store
Coming Soon
Google Play

Coming soon — Free to use, no account required