如何计算BAC & Alcohol Recovery

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Blood Alcohol Concentration (BAC) estimates how much alcohol is in the bloodstream, calculated using the Widmark formula. BAC is influenced by units consumed, body weight, time elapsed, and biological sex (different body water percentages).

分步指南

1. 1Widmark formula: BAC% = (Alcohol grams) / (Body weight kg × 1000 × r) − 0.015 × hours
2. 2r = 0.68 (males), 0.55 (females) — distribution factor
3. 31 UK unit = 10ml pure alcohol = ~8g
4. 4Alcohol eliminated at ~0.015% per hour (linear, not exponential)

例题解析