Many people ask, “How long does alcohol stay in your system after one drink?” The general rule is that your body processes one standard drink per hour. A standard drink is:
- 12 oz of beer
- 5 oz of wine
- 1.5 oz of liquor
How Long Does Alcohol Stay in Your System – After one drink
After one drink, alcohol may remain in your blood or breath for up to 12–24 hours, depending on your metabolism. It may be detectable in urine for 12–48 hours, and in hair for up to 90 days, even with just one drink.
see more: How Long Does Alcohol Stay in Your System for a Blood Test?
Even if you feel sober quickly, alcohol still lingers. So if you’re planning to drive, work, or take a test, it’s smart to give your body time. Knowing How Long Does Alcohol Stay in Your System even after one drink can help you stay safe and responsible.


