How BAC is estimated
Estimates are based on the Widmark formula using body weight, sex, alcohol intake, and elapsed time.
Safety reminder
- BAC is an estimate only
- Never drink and drive
- Hydration, food, and metabolism can change results
Related tools
Tdee CalculatorFind your Total Daily Energy Expenditure (TDEE) in seconds—s... Macro CalculatorUse this calculator to get clear, easy-to-follow daily targe... Body Fat CalculatorEstimate your body fat percentage in seconds using a few sim... One Rep Max CalculatorEstimate your one-rep max (1RM) without attempting a risky h... Water Intake Calculator Calorie Burn Calculator Ovulation CalculatorEstimate your fertile window and next expected period from y... Calorie CalculatorEstimate BMR and maintenance calories using your stats and a...