About this tool
Estimate BAC from standard drinks using the Widmark formula. For education only.
The Blood Alcohol Content Calculator is an educational tool designed to estimate an individual's blood alcohol content (BAC) using the Widmark formula. It's intended for responsible drinkers who want to understand how alcohol consumption affects their BAC. By inputting the number of standard drinks, body weight, sex, and hours since the first drink, users can obtain an estimated BAC level.
Open Blood Alcohol Content Calculator on AltFTool — it loads instantly in your browser.
Enter the number of standard drinks you've consumed, considering one standard drink as 12 ounces of beer, 5 ounces of wine, or 1.5 ounces of distilled spirits
Input your body weight in kilograms to help the calculator account for how alcohol is distributed in your body
Select your sex and specify the number of hours that have passed since your first drink to get an accurate estimate of your current BAC level
The Blood Alcohol Content Calculator helps users make informed decisions about their alcohol consumption and plan accordingly to stay safe
It serves as a valuable educational tool for teaching individuals about the factors that influence BAC and the importance of responsible drinking
By considering individual factors such as body weight and sex, the calculator provides personalized BAC estimates that are more accurate than generic guidelines
The calculator provides an estimate based on the Widmark formula and should not be used to determine whether you are safe to drive; it's for educational purposes only
A standard drink is defined as 12 ounces of beer, 5 ounces of wine, or 1.5 ounces of distilled spirits, which helps standardize the calculation of BAC
No, the calculator is for educational purposes only and should not be relied upon to make decisions about driving; always err on the side of caution and find a safe ride if you've been drinking