Food changes absorption timing and age may add individual variation; neither receives a fixed percentage adjustment.
Time elapsed since you started drinking
BLOOD ALCOHOL (BAC)
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STATUS
Calculation Details
BAC Decline Timeline
The timeline subtracts 0.015% BAC per hour as a fixed model assumption. Real elimination varies; coffee, water and energy drinks do not speed it up.
This result is a mathematical estimate, not a breath test or driving clearance. Do not drive after drinking alcohol.