What is a BAC calculator?

A BAC calculator estimates your Blood Alcohol Content based on inputs like weight, gender, number of standard drinks and time. It provides an educational estimate, not a legal measurement.

Is the BAC estimate accurate?

It uses the Widmark formula and typical metabolism rates. Individual physiology, medications, and food intake can cause significant variation. For legal or safety-critical purposes, use a certified test.

Do you store my data?

No. All calculations run in your browser and are not uploaded or stored on our servers.

What is a standard drink?

In the U.S., one standard drink contains about 14g of pure alcohol: 12oz beer (5%), 5oz wine (12%), or 1.5oz spirits (40%).

What is the legal BAC limit?

In most U.S. states, the per se limit for non-commercial adult drivers is 0.08 BAC; many countries have different limits. Younger drivers and commercial drivers often have lower limits.

How long until I am sober?

A typical elimination rate is about 0.015 BAC per hour, but this varies. Our tool shows an estimate of time to reach 0.00 BAC.

law

Found 4 articles about “law”

DUI Laws by State: A Comprehensive Guide to BAC Limits Across America

An in-depth guide to DUI laws and BAC limits across all U.S. states, including details on per se laws, zero tolerance, implied consent, and enhanced penalties.

BAC Calculator Team6 min readAug 9

Law

Safety

USA

How Police Test for Blood Alcohol Content: A Detailed Guide

A comprehensive guide to the methods police use to test for BAC, including field sobriety tests, breathalyzers, and blood draws, and their legal implications.

BAC Calculator Team6 min readAug 9

Law

Testing

BAC

International Drink Driving Laws: A Global Guide to BAC Limits Worldwide

A comprehensive guide to international drink driving laws, comparing BAC limits, penalties, and enforcement strategies in countries around the world.

BAC Calculator Team5 min readAug 9

Law

International

Travel

The Real Cost of a DUI: A Comprehensive Guide to the Legal and Financial Consequences

A detailed breakdown of the true costs of a DUI, going beyond fines to include legal fees, insurance hikes, career impact, and long-term financial burdens.

BAC Calculator Team5 min readAug 9

Law

Costs

Safety