BAC (Blood Alcohol Content) Estimator
Estimate blood alcohol concentration and time until sober.
Tool inputs stay in your browser · optional AI search sends your query
Good to know: Applies Widmark formula with average human metabolic alcohol clearance of 0.015% per hour. For reference and educational use only; never drink and drive.
How to use it (step by step)
- 1Fill in the boxes: “Biological Sex”, “Body Weight (kg)”, “Standard drinks consumed (14g alcohol each)”, “Hours elapsed since first drink”. Example numbers are already there so you can see how it works; replace them with yours.
- 2The result updates instantly as you type (on a phone it is below the boxes).
- 3The bold line is the main answer. Tap Copy next to any value to copy it.
Words to know
- Percentage
- A part out of 100. 25% of 200 = 50.
- Average (mean) / median
- Average = add everything and divide by how many. Median = the middle value when sorted; it is not pulled by extreme values.
- Time card / hours
- Adding up hours worked (minus breaks) to calculate pay. Overtime is time beyond normal hours, often paid at a higher rate.
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