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Υπολογιστής ΒΑΚ (Αλκοόλ στο Αίμα)

BAC Calculator

1 standard drink = 12oz beer (5%), 5oz wine (12%), or 1.5oz spirits (40%)

Φύλο:

Βάρος

Standard Drinks

Hours Drinking

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Detailed Guide Coming Soon

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What is BAC Calculator?

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Blood Alcohol Content (BAC) measures the percentage of alcohol in the bloodstream. It is calculated using the Widmark formula, which accounts for body weight, sex, number of drinks, and time elapsed. A BAC of 0.08% is the legal driving limit in most US states.

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How to BAC Calculator

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1BAC = (drinks × 14g × 0.789) / (weight_kg × distribution_ratio × 1000) × 100
2Distribution ratio (r): 0.68 for men, 0.55 for women (alcohol distributes into body water)
3Subtract 0.015% per hour for alcohol metabolized by the liver
41 standard drink = 14g pure alcohol = 12oz beer / 5oz wine / 1.5oz spirits

Worked Examples

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Example 1

Given:160 lb male, 3 drinks in 2 hours

Αποτέλεσμα:BAC ≈ 0.05%

Below legal limit but impaired

Example 2

Given:130 lb female, 3 drinks in 1 hour

Αποτέλεσμα:BAC ≈ 0.09%

Above legal limit in most jurisdictions

BAC Effects by Level

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BAC %	Effects	Legal status
0.01–0.03	Mild relaxation, slight euphoria	Legal everywhere
0.04–0.06	Feeling of warmth, lowered inhibitions	Legal (impaired)
0.07–0.09	Slight impairment of balance, speech	Illegal in most US states
0.10–0.12	Significant impairment, slurred speech	Illegal everywhere
0.13–0.15	Gross motor impairment, blurry vision	Dangerous
0.16–0.30	Nausea, possible blackout	Very dangerous
0.31+	Potential loss of consciousness	Life-threatening

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Pro Tip

BAC calculators estimate — not measure. Actual BAC varies based on medications, food intake, liver health, and individual metabolism. Never rely on a calculation to decide if it is safe to drive.

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Did you know?

The liver metabolizes approximately 1 standard drink per hour regardless of sex, weight, or coffee intake. Only time reduces BAC — no food, water, or caffeine speeds this up.

References

›Blood alcohol content — Wikipedia

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