Emergency Medicine · Toxicology · ICU and Critical Care
Estimated Ethanol Concentration (Widmark-style) calculator
Enter the published formula inputs below to calculate and interpret this score.
Clinical inputs
lb
Allowed range: 66.14–440.92 lb
Quick picks
g
Allowed range: 1–500 g
Quick picks
Result
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Clinical inputs
- Sex
- Body weight (kg)Accepted range: 30 to 200
- Ethanol ingestedAccepted range: 1 to 500
Primary source
Seidl S et al. The calculation of blood ethanol concentrations in males and females. Int J Legal Med. DOI: 10.1007/s004149900091. PMID: 11197633. Scope: Serum/BAC-style estimate = ethanol grams / (r × weight kg) with sex-specific r (=0.68 male / 0.55 female), expressed as g/L×100 scale in test vectors. (2000)
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