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.
Drinking and Driving Laws in Massachusetts. In the State of Massachusetts it is illegal to drive with a blood alcohol concentration (BAC) of .08 percent or above. This limit is lower for drivers under the age of 21 and drivers of commercial vehicles. The .08 percentage limit for adults is the standard measurement of the impaired driver across the United States. In Massachusetts, a DUI is called an OUI, or Operating Under the Influence. Massachusetts also has what is known as Melanie's Law. This law was enacted in 2005 and increases the penalties to the drunk driving law in Massachusetts.