Ok To Drive helps you understand your limits and take control of your night out. The app uses a medically-informed algorithm, developed with the help of doctors, to estimate your Blood Alcohol Content (BAC) in real time. This estimation considers important factors like your weight, gender, the drinks you've consumed, your food intake, and your level of fatigue.

Using Ok To Drive is straightforward. You simply enter what you're drinking, and the app does the math for you. It updates your BAC as the night goes on, giving you a clear picture of your status using a traffic light system — green means good to go, yellow signals caution, and red indicates it's best to wait.

Understanding BAC is crucial. Blood Alcohol Content shows the percentage of alcohol in your bloodstream. Typically, BAC peaks between 30 to 70 minutes after drinking. It's important to know that nothing can lower your BAC except time — not even coffee or cold showers. Ok To Drive will inform you about when it's safe for you to drive again.

The app offers real-time BAC tracking along with several useful features. You'll receive BAC notifications when you're fit to drive, which enhances safety for drivers. It also sends you hydration reminders to help you avoid a hangover the next day. With hangover predictions, you can have an idea of what tomorrow might feel like based on your current drinking habits.

If you're out with friends, Ok To Drive supports multiple user profiles, so you can track the entire group's alcohol consumption. You can also monitor drinking habits over time with a calendar view. For quick access, there’s a home screen widget that lets you check your BAC at a glance. Additionally, the drink library and custom drink builder allow you to log different beverages easily.

It's important to remember that everyone experiences alcohol metabolism differently. While Ok To Drive provides a well-informed estimate of your BAC, it shouldn't be the only way you decide to drive. This app aims to help you make informed decisions, acting as a smarter drinking companion rather than a substitute for professional advice.

With features like weight-based and gender-based BAC estimation, Ok To Drive helps in accurate alcohol consumption monitoring. You'll get insights into your drinking patterns and limit awareness, making night-out planning safer and more enjoyable. The user-friendly interface makes it easy for anyone to use, ensuring that you always have a detailed BAC overview when you need it.