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Blood Alcohol Calculator
Fluid Oz. Consumed:
Percent Alcohol (%A):
Person's Weight (W):
Hours Consuming (T):
 


Fluid Oz. Consumed
Beer = 10-14oz.
Wine = 4-6oz.
Shots = 1oz. (short, wide glass) or 1.5oz. (tall, straight-sided glass)

Percent Alcohol
Expressed as a percentage rather than as a decimal (enter 40% as "40")
Beer = 4-5%
Wine = 11-15%
Sugary/Fruity liquer = 20-30%
Most Whiskies or Vodkas (and other "hard" alcohol) = 35-50%

Person's Weight
In pounds

Hours Consuming
The number of hours spent drinking

Formula
(Oz x %A x 0.075) / W - (T x 0.015)
 
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