BAC(%) = (alcohol consumed (g) ร 0.7984) รท (body weight (kg) ร distribution factor ร 10). Male distribution factor: 0.52; female: 0.45. Alcohol weight: volume ร ABV% ร 0.7984.
The liver eliminates approximately 0.015% BAC per hour on average. Factors like liver health, food intake, fatigue, and medications can shift this significantly. Never rely on a formula to decide if you're safe to drive.
License suspension starts at 0.03% BAC. License revocation and criminal prosecution begins at 0.08% BAC or after a third offense. Penalties include fines, imprisonment, and a permanent driving ban for severe cases.