Blood alcohol content calculation

Blood alcohol content calculation Introduction

1. blood alcohol content (bac) refers to the concentration of alcohol in the blood, which is usually used to determine whether a person drinks alcohol and how much alcohol is consumed.

2. the unit of bac is usually a percentage (%), which represents the amount of alcohol contained in every 100 ml of blood (calculated in milliliters).

3. common bac levels and their corresponding drunken states:

(1), 0.02% - 0.05%: slight relaxation and euphoria, attention may begin to decline.

(2), 0.05% - 0.10%: emotions and behaviors begin to be affected, coordination skills decrease, and judgment weakens.

(3), 0.10% - 0.20%: significant symptoms of drunkenness, including ambiguity in speech, unstable gait, and prolonged reaction time.

(4), 0.20% - 0.30%: severe exercise disorders, which may be accompanied by vomiting and confusion.

(5), 0.30% - 0.40%: it may fall into a coma, and the breathing and heartbeat may be suppressed.

(6), 0.40% or more: may cause life-threatening.

4. note: different countries have different legal restrictions on drinking and driving, generally around 0.08%. in china, it is 0.02%, which is considered drunk driving after exceeding it.