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Calculatrice BAC : Guide

Estimez votre taux d'alcool dans le sang

  • Qu'est-ce que le BAC ?
  • Formule de Widmark
  • Conseils
  • How to Use
  • Real-World Applications
  • FAQs

Qu'est-ce que le BAC ?

Pourcentage d'alcool dans le sang, affecté par le poids, le genre, les boissons et le temps.

The Calculatrice d'Alcoolémie (BAC) helps you perform fast, accurate calculations based on your inputs.

It is designed for practical decision-making with clear and actionable outputs.

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Formule de Widmark

Hommes : (Boissons × 5.14 / Poids × 0.73) − 0.015 × Heures

Femmes : (Boissons × 5.14 / Poids × 0.66) − 0.015 × Heures

Results are computed using standard formulas tied to the selected calculator type and inputs.

Any input update recalculates the results instantly.

Conseils

  • Limite légale 0.08% dans de nombreux pays
  • Seul le temps réduit le BAC
  • Focus on Estimate your BAC and time-to-sober based on gender.
  • Focus on weight.
  • Focus on and drinks consumed over time.

How to Use

  • Enter the required values in these fields:
  • - Genre
  • - Poids (lb/kg)
  • - Boissons standard
  • - Temps écoulé (heures)
  • Review the instant output and compare scenarios before finalizing your decision.

Real-World Applications

This calculator supports multiple use cases as shown in the table below.

TypeDescription
Calculatrice BACEstimation de l'alcoolémie
Temps de SobriétéHeures jusqu'à atteindre 0% d'alcool
Limite de ConsommationRester sous la limite légale

FAQs

Are the results accurate?

Yes, results are computed using standard formulas based on the inputs provided.

Why does a small input change affect the output significantly?

Some formulas are sensitive to inputs, so even small changes can produce noticeable output differences.

Formula: BAC = (drinks × 0.6 × 5.14) / (weight_lbs × r) − (0.015 × hours)

e.g. male, 160 lbs, 3 drinks, 2 hrs → BAC ≈ 0.058% (below legal limit)

kg
drinks
hrs
Blood Alcohol Content
5.21%
Mild
Alcohol
51g
pure EtOH
To Legal
Already legal
To Sober
3.5h
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