Blood Alcohol Content (BAC) Calculator
Estimate your blood alcohol content based on weight, gender, drinks consumed, and time elapsed. Understand impairment levels and time to sobriety.
Inputs
lbs
hours
Results
Estimated BAC
0.045
Impairment LevelBuzzed
Time to Sober2h 58m
Standard Drinks3
Estimated BAC
0.045
How to Use This Calculator
- Start by filling in the input fields below. Results update instantly as you type, so you can experiment with different values to see how they affect the outcome.
- Body Weight — Body weight in the selected unit. Accepts values from 80 lbs to 400 lbs (default: 170 lbs).
- Gender — Biological sex for calculation accuracy. Choose from: Male, Female. default: 0.
- Standard Drinks — 1 drink = 12oz beer, 5oz wine, or 1.5oz spirits. Accepts values from 0 to 20 (default: 3).
- Hours Elapsed — Number of hours. Accepts values from 0 hours to 24 hours (default: 2 hours).
- Once all inputs are set, review your results in the Results panel. Here's what each output means:
- Estimated BAC — shown as a numeric value. This is the primary result of this calculator.
- Impairment Level — your calculated result.
- Time to Sober — your calculated result.
- Standard Drinks — shown as a numeric value.
- Explore the related calculators below if you need deeper analysis or want to approach this topic from a different angle.
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