Blood alcohol (BAC) estimate

Widmark-style estimate of blood alcohol from drinks, weight, and elapsed time — plus a rough sobering-up wait.

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How to use

  1. Pick sex, weight, and the drinks.
  2. Enter how many hours ago you started.
  3. Read the estimate and the wait to ~0.00.

What it supports

Population-average Widmark estimate: weight 30–300 kg, up to 50 drinks, 100 g of pure alcohol per drink, 24 h elapsed. Presets cover a beer, wine glass, and shot. A rough model — never a fitness-to-drive check.

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