Alcohol BAC Calculator

Please note, using this calculator may not be exact. Please use responsibly.

The calculations of this test are taken from http://www.erie.gov/stopdwi/bac_calculator.asp.

Gender:
female
male

Weight:

lbs
kgs

Hours Consuming Drinks:
hours
The total time you have spent drinking. Please use decimals (1.5 hours) if necessary, not fractions (1 1/2 hours).

Drinks:

Drink Size Proof Number of Drinks
beer12.5 fl oz5
wine2.5 fl oz12
shot1 fl oz40

Approximate BAC:

Results: