Alculator - BAC Calculator

Alculator is a BAC (Blood Alcohol Content) calculator for responsible drinkers in the United States. BAC CALCULATION Calculate your estimated BAC using the Widmark formula. The app shows a confidence range to help you understand the estimate. TIME TO LEGAL See when your BAC will drop below your state's legal limit: • 0.08% - Standard limit • 0.05% - Utah limit • 0.04% - Commercial drivers (CDL) • 0.00% - Under 21 / Zero tolerance US STATE DUI LAWS Browse DUI laws for all 50 US states and DC. View BAC limits and penalty information. DRINK DATABASE Select from 99+ drinks including beers, wines, spirits, cocktails, and hard seltzers. Add custom drinks as needed. OFFLINE MODE Works without internet. All data stays on your device. FEATURES: • BAC calculation with confidence range • Time-to-legal countdown • Time-to-sober countdown • State DUI law reference • Drink database • Custom drink entry • Session logging • Driver modes (Standard/Commercial/Under21) • Dark mode • Home screen widgets DISCLAIMER: This app provides ESTIMATES only based on the Widmark formula. Individual results vary based on metabolism, health, food intake, medications, and other factors. This is NOT a substitute for a breathalyzer. Never rely solely on this app to determine if you are safe to drive. When in doubt, do not drive. Download Alculator today and drink responsibly.

• More accurate BAC and "time until legal" estimates • Correct countdowns for under-21 limits in every state • Fresh new look: session gauge, drink illustrations and icons • The free version now shows a few ads; Pro removes them • Bug fixes and polish