BAC Guides

Learn about blood alcohol content, how it's calculated, and how to stay safe.

Chart

Quick reference BAC chart by body weight.

Formula

How BAC is calculated (Widmark formula).

Calculator

How long until you're sober?

Guide

Factors that influence your BAC.

Legal

DUI/DWI limits across the US.

Science

How your body processes alcohol.

Guide

Why women reach higher BAC levels.

Reference

What counts as one standard drink?

Guide

Food, medications, and more.

Health

How different BAC levels affect you.