Question 1

How accurate is this BAC calculator?

Accepted Answer

Our BAC calculator uses the scientifically validated Widmark formula, providing estimates accurate within 0.01-0.02% for most individuals. However, individual variations mean this is an estimate only.

Question 2

Can I use this calculator to decide if I can drive?

Accepted Answer

Absolutely not. This calculator provides estimates for educational purposes only. The only safe BAC for driving is 0.00%. Always use alternative transportation after consuming alcohol.

Question 3

How long does it take for BAC to reach zero?

Accepted Answer

The liver metabolizes alcohol at approximately 0.015% BAC per hour. For someone with a BAC of 0.08%, it takes roughly 5.3 hours to reach zero.