Sobriety Calculator

Estimate time to reach 0.00 BAC

🔒 Files never leave your browser

Input Method

I know my BAC I know my drinks

Current BAC (g/dL)

This tool is for informational purposes only. BAC estimates are approximate. Never drink and drive. Consult a healthcare professional.

How to Use Sobriety Calculator

Enter current BAC or number of drinks.

Get estimated time to reach 0.00 BAC.

See hourly BAC decline projection.

How fast does BAC decrease? ▼

Average metabolism rate is about 0.015% BAC per hour. This varies by individual.

Is there a file size limit? ▼

No strict limit. Processing happens in your browser, so capacity depends on your device memory. Most files work smoothly.

Which browsers are supported? ▼

All modern browsers including Chrome, Firefox, Safari, Edge, and Opera on both desktop and mobile.

Can I use this offline? ▼

Yes. Once the page is loaded, the tool works without an internet connection since all processing is local.

Is my data secure? ▼

Yes. Your data never leaves your browser. Nothing is stored on or transmitted to any server.

Does this work on mobile? ▼

Yes. All AllTools tools are fully responsive and work on phones and tablets.

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