BAC Calculator

Your estimated BAC: 0.00%

Understanding BAC (Blood Alcohol Content)

  • BAC measures the percentage of alcohol in your bloodstream (grams per 100 milliliters of blood)
  • Legal driving limit in most states is 0.08%
  • Even small amounts can impair judgment and reaction time
  • BAC levels are affected by gender, weight, drinking time, and food consumption
  • Regular monitoring of BAC helps make informed drinking decisions

BAC Levels and Effects

0.02%
Slight mood changes, relaxation
0.05%
Reduced coordination, altered judgment
0.08%
Legal limit - significant impairment
0.10%
Clear deterioration of reaction time and control
0.15%
Major balance and muscle control issues

Key Points to Remember

  • BAC calculation helps prevent drunk driving incidents
  • Individual factors greatly influence alcohol absorption
  • Understanding BAC is crucial for responsible drinking
  • Professional help is available for alcohol-related issues

The Devastating Impact of Drunk Driving

30,000

Annual fatalities from drunk driving accidents

106

Deaths daily (one every 13 minutes)

$44B

Annual economic impact

32%

Of all traffic deaths are alcohol-related (2022)

Estimating Your BAC

  • BAC = [Alcohol consumed in grams / (Body weight in grams × r)] × 100
  • r = Gender distribution constant
  • • 0.68 for males
  • • 0.55 for females
  • Note: This is the Widmark formula, a simplified estimation of blood alcohol content