Question 1

How accurate is this BAC calculator?

Accepted Answer

This calculator provides a rough estimate using the Widmark formula. Individual metabolism, food consumption, medication, and other factors significantly affect actual BAC. Never use this calculator to determine if you are safe to drive.

Question 2

What is the legal BAC limit?

Accepted Answer

In the United States, the legal limit for driving is 0.08% BAC for adults 21+. Many countries have lower limits. Commercial drivers in the US are limited to 0.04%.

Question 3

How long does it take to sober up?

Accepted Answer

The body metabolizes alcohol at approximately 0.015% BAC per hour. Coffee, cold showers, and exercise do not speed up this process. Only time reduces BAC.

Question 4

Why do women have higher BAC than men after the same drinks?

Accepted Answer

Women typically have a higher percentage of body fat and lower percentage of water than men. Since alcohol distributes in body water, women generally reach higher BAC levels with the same alcohol consumption.

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