See exactly when your heart, lungs, circulation and taste recover after quitting. All calculations run locally — no data collected or stored.
Sources: American Cancer Society · NHS · WHO
Get daily routines to survive each recovery stage (Leg 1 Free)This is the physical layer. Ready for habits and identity? Leg 1 is free.
Nicotine fully clears blood within 48 hours after your last cigarette — the peak physical craving window of Leg 1.
Bronchial relaxation happens at 72 hours. Sustained lung capacity improvement arrives in week 2 of the Leg 2 rewiring phase.
Long-term heavy smokers may see slower lung cilia regrowth. The 531 method provides daily routines to ease withdrawal during extended repair.
No. All calculations run locally in your browser. We never upload, save, or track any of your input data.
💰 Also see how much you could save with our free Smoking Savings Calculator — 10 years of cigarettes vs. a down payment on a house.
⚠️ Timeline data sourced from American Cancer Society & NHS. Quit531 provides behavioral guidance, not medical treatment. Individual results may vary.