What is blood alcohol content (BAC)?

BAC is the percentage of alcohol in your bloodstream, expressed as grams of alcohol per 100 mL of blood. It rises with each drink and falls as your liver metabolizes alcohol over time, and it is the standard measure used in legal driving limits.

How does the BAC calculator estimate my level?

It uses the Widmark formula, factoring in your weight, sex, number of standard drinks, and time elapsed. Alcohol is removed at roughly 0.015% BAC per hour, so the tool also estimates when you would return to zero. Results are estimates only.

Is the calculated BAC accurate enough to drive?

No. Estimates can differ significantly from a breathalyzer due to food, hydration, medications, and individual metabolism. In many places the legal driving limit is 0.08%, but impairment starts well below that. Never use a calculator to decide whether you are safe to drive.

Calcolatore del tasso alcolemico (BAC)

Stima il tuo BAC con la formula di Widmark

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Sesso

Peso (kg)

Bevande standard

1 bevanda standard ≈ 14 g di alcol puro

Ore dalla prima bevanda

tempo trascorso a bere e dopo

Calcolatore del tasso alcolemico (BAC)

Questo calcolatore usa la classica formula di Widmark per stimare il tasso alcolemico (BAC) in base al tuo peso corporeo, sesso, numero di bevande standard e ore trascorse dalla prima bevanda, tenendo conto dell'alcol che il tuo corpo ha già metabolizzato (circa 0.015% all'ora). Stima inoltre quanto tempo manca prima di tornare sobrio. Il BAC reale varia con cibo, idratazione, farmaci e metabolismo individuale, quindi considera il risultato solo come una guida approssimativa e non guidare mai dopo aver bevuto.

Solo stima approssimativa (formula di Widmark). Molti fattori cambiano il BAC reale. Non guidare mai dopo aver bevuto — questo non è un parere legale o medico.

Domande frequenti

What is blood alcohol content (BAC)?: BAC is the percentage of alcohol in your bloodstream, expressed as grams of alcohol per 100 mL of blood. It rises with each drink and falls as your liver metabolizes alcohol over time, and it is the standard measure used in legal driving limits.
How does the BAC calculator estimate my level?: It uses the Widmark formula, factoring in your weight, sex, number of standard drinks, and time elapsed. Alcohol is removed at roughly 0.015% BAC per hour, so the tool also estimates when you would return to zero. Results are estimates only.
Is the calculated BAC accurate enough to drive?: No. Estimates can differ significantly from a breathalyzer due to food, hydration, medications, and individual metabolism. In many places the legal driving limit is 0.08%, but impairment starts well below that. Never use a calculator to decide whether you are safe to drive.

Calcolatore del tasso alcolemico (BAC)

Domande frequenti

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