Blood Alcohol Content (BAC) Calculator

Drink's Alcohol Level: %
Volume drinked:
Body Weight:
Time passed:
BAC: %

Blood alcohol content (BAC) is used as a metric of alcohol intoxication. it also called blood alcohol concentration.

BAC calculator Formula:

BAC% = (A × 5.14/W × r) - .015 × H

Where H is Time passed since drinking, in hours, r is The alcohol distribution ratio, 0.73 for man, and 0.66 for women, W is Body weight, in pounds (lbs), A is Total alcohol consumed, in ounces (oz)

The map above shows countries' blood alcohol limits. provides you helpful and handy calculator resources.