Alcohol Effects in Nonalcoholic Adults

What Are the Blood Alcohol Level?

Blood Alcohol Chart
Blood Ethanol (Alcohol) Concentration (mg/dL)Impairment
These are estimates. The doctor may modify depending on the individual.
20-50Impaired fine motor function
50-10Impaired judgment and coordination
100-150Difficulty walking and balance
400Respiratory depression
500Potential Death

Reference: Birnbaumer, Bessen. Alcohols and Glycols. In: Rosen et al, eds. Emergency Medicine - Concepts and Clinical Practice, 3rd ed. St. Louis: Mosby; 1990:2520.

Consumer e-Tools are not intended to provide professional advice or recommend particular products. Physicians and healthcare professionals should exercise their own clinical judgment when assessing the results of our tools or calculators. Consumers should consult a doctor for advice when assessing the results.

Reviewed on 11/20/2017

Medically reviewed by Marina Katz, MD; American Board of Psychiatry & Neurology


"Calculator: Blood ethanol concentration estimation"

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  • Alcohol Effects in Nonalcoholic Adults - Drinks

    How many drinks do you normally have before feeling impaired?

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