Blood Alcohol (BAC) Calculator
Estimate your blood alcohol content (BAC) from the number of standard drinks, body weight, sex and time elapsed, using the Widmark formula. For education only. Private.
Need this done properly for your business?
Radiatus delivers secure cloud, DevOps & compliance engineering.
Privacy & Security
All processing happens locally in your browser — nothing is uploaded.
How to Use
Enter drinks, weight, sex and hours since your first drink. This is an estimate — never drink and drive.
Disclaimer: This tool is provided "as is" without warranty of any kind. Results are for educational and utility purposes.
Related Tools
Percentage Calculator
MathCalculate percentages, percentage change, increase and decrease, and reverse percentages, with the working shown for each result.
Statistical Calculator
MathCalculate mean, median, mode, standard deviation, and more.
Probability Calculator
MathCalculate probabilities for single and combined events, including conditional probability and Bayes' theorem.