BAC Calculator
Estimate your blood alcohol content (BAC) based on drinks consumed, body weight, gender, and elapsed time. For educational purposes only.
How to Use the BAC Calculator
- Enter your body weight and select the unit.
- Select your gender (affects alcohol metabolism rate).
- Add drinks with type, quantity, and alcohol percentage.
- Enter hours since you started drinking.
- Click Calculate to estimate your BAC.
Features
- Widmark formula BAC estimation
- Multiple drink type presets
- Metabolic elimination rate calculation
- Time to sobriety estimation
- Impairment level classification
- 100% client-side, no data stored
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Disclaimer:This tool is provided “as is” for informational and educational purposes only. Results may not be 100% accurate. ToolBird makes no warranties, express or implied, regarding the accuracy, reliability, or completeness of any output generated by this tool. This tool does not constitute professional, legal, financial, medical, or tax advice. Always consult a qualified professional for important decisions. By using this tool, you agree that ToolBird and its operators shall not be held liable for any damages, losses, or consequences arising from the use of this tool or reliance on its results. All processing occurs in your browser — we do not store, transmit, or access your data. Use at your own risk.