How does the BAC Calculator work?

Estimate blood alcohol concentration using Widmark-style assumptions. The result is an estimate based on the values entered.

Is this calculator medical advice?

No. This calculator is for general education and should not replace advice from a qualified health professional.

Wellness

Estimate blood alcohol concentration using Widmark-style assumptions.

Standard Drinks

Weight (kg)

Hours Since First Drink

Sex

Primary Result -

Secondary Result -

Additional Result -

Formula

BAC estimate = alcohol grams / (body water constant * body weight grams) * 100 - metabolism

These calculators provide estimates for general education and are not a substitute for professional medical advice.