Blood alcohol content (BAC), or blood alcohol level is most commonly used as a metric of alcohol intoxication for legal or medical purposes.
In this calculator the following formula is used:
Where,
- 0.806 is a constant for body water in the blood (mean 80.6%),
- SD is the number of standard drinks containing 17 grams of ethanol, (First Input Field)
- 1.2 is a factor to convert the amount in grams to Swedish standards set by The Swedish National Institute of Public Health,
- BW is a body water constant (0.58 for men and 0.49 for women),
- Wt is body weight (kilogram),(Second Input Field)
- MR is the metabolism constant and
- DP is the drinking period in hours. (Third Input Field)