Blood Alcohol Content (BAC) Calculator

A woman having 68 kg or 152 pounds will have 0% blood alcohol content in approximately 2:23h after consuming 17.7 ml pure alcohol.

A man having 68 kg or 152 pounds will have 0% blood alcohol content in approximately 2:17h after consuming 17.7 ml pure alcohol.

Woman after:

Blood alcohol content:

Man after:

2 min

0.04 %

37 min

0.03 %

17 min

1:12h

0.02 %

57 min

1:48h

0.01 %

1:37h

2:23h

0.00%

2:17h

This Blood Alcohol Content (BAC) Calculator can be used to estimate your blood alcohol content based on how much alcohol you have consumed, your weight, the time over which you have consumed the alcohol, and your gender. This BAC calculator is not a legal definition of blood alcohol content, but is only meant to estimate your blood alcohol content.