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Estimate BAC from drinks, ABV, and time

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Aperol Spritz BAC Calculator

An Aperol Spritz — Aperol, prosecco, and soda — is about 6 oz (177 ml) at roughly 11% ABV, about one standard drink. Its low-ABV reputation makes it easy to lose count. Enter your weight, sex, and when you started to estimate your BAC. The Aperol Spritz is already filled in above.