Blood Alcohol Time Calculator
Track your blood alcohol content over time and estimate when you'll be sober.
Your Drinks
Current Estimated BAC
0.000%
None: No measurable impairment
Sober By
10:36 PM
~0.0 hours
Under Legal Limit
Now
Below 0.08%
BAC Over Next 12 Hours
10:36 PM
0.000%
11:36 PM
0.000%
12:36 AM
0.000%
01:36 AM
0.000%
02:36 AM
0.000%
03:36 AM
0.000%
04:36 AM
0.000%
05:36 AM
0.000%
06:36 AM
0.000%
07:36 AM
0.000%
08:36 AM
0.000%
09:36 AM
0.000%
10:36 AM
0.000%
BAC Impairment Levels
0.02-0.05%
Mild relaxation, slight mood changes
0.05-0.08%
Reduced coordination, lowered inhibitions
0.08%+ (Illegal to drive)
Significant impairment of judgment and motor skills
Disclaimer: This calculator provides estimates only. Actual BAC varies based on many factors. Never drive if you've been drinking.
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
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Formula Source: Standard Mathematical References
by Various
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.