How much is .03 alcohol in breath?

How much did I drink if I blew a .03??

How much did I drink if I blew a .03 in my breathalyzer?

It depends how long after you drank that you blew this reading.

On average, you can calculate that each standard drink, one beer, one shot or one glass of wine, will raise your level by .02. But that amount will diminish by about 75% per hour.

Here is a calculator that allows you to enter different drinks and times and will give you reasonably accurate results:

BAC Calculator

Quote:

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Originally Posted by DrBill100

It depends how long after you drank that you blew this reading.

On average, you can calculate that each standard drink, one beer, one shot or one glass of wine, will raise your level by .02. But that amount will diminish by about 75% per hour.

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Thank you Dr. Bill.