Hamilton Grant Law DWI App is designed to help anyone who has been arrested on charges of DWI (Driving While Impaired). Disclaimer: The Blood Alcohol Calculator on this app is for entertainment and informational purposes only. The information received using this feature is NOT LEGAL ADVICE. Your actual blood alcohol concentration depends on a variety of additional factors, like genetic makeup, personal health, and recent food consumption. These results are rough estimates for an average person only. Do not rely on these results to drive or work. Never drink and drive.