Back to Health & Fitness Tools

Blood Alcohol Content (BAC) Calculator

Estimate your blood alcohol level. For informational purposes only.

Your Details

Your results will appear here

Enter your details to estimate your BAC.

Understanding Alcohol's Effects

This tool provides an estimate of your Blood Alcohol Content (BAC) based on the Widmark formula. It's designed for educational purposes to help you understand how alcohol consumption affects the body. This is not a legal tool and should not be used to determine if you are fit to drive.

How to Use the BAC Calculator

Enter Drinks

Input the number of standard drinks you've had.

Enter Details

Provide your body weight and biological gender.

Enter Time

Input the hours passed since your first drink.

Get Your Estimate

See your estimated BAC and level of impairment.

Common Use Cases for a BAC Calculator

Educational Awareness

Understand how different factors like weight and time affect blood alcohol levels.

Promote Safe Choices

Visualize how even a few drinks can impair judgment and lead to unsafe BAC levels.

Health Class Learning

A practical tool for health education to demonstrate the physiological effects of alcohol.

Personal Insight

Gain a general understanding of your own body's response to alcohol for responsible consumption.

Frequently Asked Questions