Let's drive safely, aye?
TPSY is a web application created by college students and is great at giving a ROUGH ESTIMATING of your current Blood Alcohol Content. That being said, this application shouldn't be relied on alone as many outside variables play into an individuals BAC. Some variables that TPSY doesn't take into account include:
TPSY is not completely accurate and should not be used to determine if you are capable of driving not matter how much you've drank. Please use this app at your own risk.