Blood Alcohol Content (BAC)
Calculate Blood Alcohol Content (BAC) instantly with the exact formula and a worked example.
Blood Alcohol Content (BAC)
Standard drinks (10g)
Weight, kg
Sex (m=0.68, f=0.55)
Hours since drinking
BAC
0‰
BAC
0‰
Drive?
Allowed
More about: Blood Alcohol Content (BAC)
What it calculates
The “Blood Alcohol Content (BAC)” calculator computes BAC in ‰ from 4 parameters: standard drinks (10g), weight, kg, sex (m=0.68, f=0.55), hours since drinking.
A handy everyday calculator for daily tasks.
Example calculation
With parameters Standard drinks (10g) = 2, Weight, kg = 70, Sex (m=0.68, f=0.55) = 0.68, Hours since drinking = 1 the result is 0 ‰.
How to use
- Enter standard drinks (10g), weight, kg, sex (m=0.68, f=0.55) and hours since drinking — each field above is adjustable with a slider.
- BAC (‰) is calculated automatically as you type.
- Check the worked example below to see the formula applied to real numbers.
- Copy the result or bookmark this calculator.
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FAQ
How is Blood Alcohol Content (BAC) calculated?
The Blood Alcohol Content (BAC) calculator computes BAC (in ‰) from standard drinks (10g), weight, kg, sex (m=0.68, f=0.55), hours since drinking. Enter your values above and the exact formula is applied instantly; a worked example with real numbers is shown below.
Is the Blood Alcohol Content (BAC) calculator free?
Yes. It is completely free, needs no signup, runs entirely in your browser, and sends no data to any server.
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