While manufacturers and general rules of thumb often suggest that roughly 10 puffs from an electronic cigarette or vape can equate to about one traditional cigarette—given that a standard cigarette typically yields between 10 and 15 puffs—this comparison is scientifically imprecise. Vaping devices and traditional tobacco products differ fundamentally in how they deliver nicotine and how the human body absorbs it. Factors such as e-liquid nicotine strength, freebase versus salt formulations, device power output, coil resistance, and individual user inhalation depth mean that 10 puffs of a vape do not universally or reliably equal the exact chemical dosage, tar exposure, or health impact of smoking a single cigarette.