DO NOT DRIVE BASED ON THESE RESULTS.. This BAC calculator provides an estimate only. By using this calculator you accept full legal responsibility for your actions and release this site from all liability.

The most accurate BAC calculator online

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Breathalyzers Know exactly how drunk you are

BAC Effects Chart
BACEffects
0.00-0.04%• Relaxation and warmth
0.04-0.08%• Euphoria and confidence
• Minor impairment of judgement, speech, reaction time, memory, and balance
0.08-0.12%• Driving is illegal
• Noticeable impairment of judgement, speech, reaction time, memory, and balance
0.12-0.26%• Confusion, accidents, and "blackouts" (memory loss)
• Obvious impairment of judgement, speech, reaction time, memory, and balance
0.26%+• Acute alcohol poisoning
• Hard to wake up, slow breathing, and loss of consciousness
• Seek medical attention immediately
OtherDepending on how fast you drink and your tolerance:
• Dizziness/nausea/vomiting
• Unstable emotions (anger, depression, and/or unease)
My liver hates me



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.