Free Online BAC Calculator
Estimate your BAC with this free health & fitness tool.
Enter values and select Calculate to see your result.
Estimate only — this is not medical advice. Consult a qualified professional.
About this calculator
The BAC Calculator is a free online health & fitness tool on Calcuto. Enter Sex, Weight Kg and Standard Drinks, and it instantly works out your BAC result and shows it below the form. You can change any value and recalculate right away to compare different scenarios. Results are an estimate for general information only — see the note below the calculator, not professional advice.
How to use it
To use the BAC Calculator, enter Sex, Weight Kg and Standard Drinks in the form above and select Calculate. Calcuto runs the BAC calculation from your inputs and shows the result below the form. The output is an estimate, not professional advice.
Frequently asked questions
Is the BAC Calculator free to use?
Yes. The BAC Calculator is completely free, with no sign-up or download required.
What information do I need for the BAC Calculator?
Provide Sex, Weight Kg and Standard Drinks, then select Calculate to see your result.
Is my data saved when I use the BAC Calculator?
No personal data is saved. Your inputs are used only to work out the result and are not stored; only your currency and theme preferences are kept in your own browser.
Does the BAC Calculator work on mobile?
Yes. It works in any modern web browser on desktop, tablet, and mobile.
Is the BAC Calculator result professional advice?
Estimate only — this is not medical advice. Consult a qualified professional.