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Sobriety Planner
When do you need to be sober? Let math decide how much you can drink.
Input
When do you start and when must you be clear?
Using default weight (75 kg). Add your stats for better accuracy.
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BAC Curve Comparison
Strategies side by side
Estimated values. Actual BAC depends on many factors. Do not make life decisions based on this.
Front-loader
Drinking window: 1h 44min (until 03:58 PM)
Max alcohol
61g
Peak BAC
0.38 mg/L
Standard drinks
~6.1
Pace
870 ml/h
Total: 1.5 L
Suggestion:
Marathon
Drinking window: 4h 2min (until 06:16 PM)
Max alcohol
61g
Peak BAC
0.19 mg/L
Standard drinks
~6.1
Pace
373 ml/h
Total: 1.5 L
Suggestion:
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Being below the legal limit does not mean it is safe to drive. Alcohol affects reaction time and judgment even at low levels.
This is an approximate estimate for entertainment. Alcohol metabolism depends on many factors. Do not drink before driving.
Actual BAC depends on many factors: food, medication, health, genetics, and fatigue. This calculator provides an approximate estimate — do not make life decisions based on it alone.