Best Answer: Generally speaking 15 - 20 drops = 1 mL. So, about 4 to 5 drops should approximate 0.25 mL. However, this is only a guesstimate since there are many factors that contribute to this, including: viscosity of the liquid, dropper size, etc... To measure 0.25 mL more accurately, I would suggest drawing up the liquid into an oral syringe.
What is the legal limit for alcohol and driving? Every state in the US sets the legal limit for blood alcohol content, or BAC, at .08%. This means that if your blood alcohol level is above .08%, you can be arrested in any state in the United States and charged with DUI.
Vermont. 1  No one under the age of 21 is allowed to purchase or consume alcohol. 2  Anyone under the age of 21 can not drive any motor vehicle with a BAC of .02 or higher. 3  For anyone 21 years of age or older can not drive if they have a BAC of .08 or higher.