Quit Smoking Calculators

24 hours: Your cardiovascular system has already begun to recover. Risk of heart attack decreases within the first day.
72 hours: Nicotine is fully cleared from your bloodstream. Bronchial tubes begin to relax.
2 weeks: Withdrawal symptoms have largely ended. Circulation has improved significantly.
30 days: Lung cilia nearly fully restored. The new habit is establishing itself.
66 days: Based on Lally et al. research, you are at or near the average point at which a new habit is fully formed.
90 days: Lung function can be up to 30% higher than when you smoked. Relapse risk has dropped substantially.

Four free calculators that turn your quit into numbers: money saved, cigarettes avoided, life regained and your exact smoke-free time. All based on your own tracker data - no signup needed.