Estimate your BAC based on body weight, sex, time drinking, food intake, and drinks consumed.
This is only an estimate and should never be used to decide whether driving is safe or legal.
Your Information
Drinks Consumed
Add each drink type and quantity. The calculator uses standard drink assumptions to estimate BAC.
Disclaimer: This tool provides only a rough BAC estimate using generalized formulas. Actual BAC can vary based on metabolism, medications, hydration, medical conditions, pour size, timing, and many other factors. Never rely on this estimate to decide if you can drive.
Estimated BAC
0.00%
Enter your details to calculate
A BAC estimate is not the same as legal proof. In a DUI case, the stop, the timing, the test method,
and how law enforcement handled the investigation can all matter.