Alcohol Calculator – ABV & BAC Estimation
Calculate alcohol content and estimate Blood Alcohol Concentration (BAC) with this free online tool. Enter drink details, personal information, and get instant results with detailed breakdowns.
Understanding ABV
Alcohol by Volume (ABV) is the standard measure of alcohol content in beverages. For example, a drink with 5% ABV means 5% of the total volume is pure alcohol.
Common Drink Types
- Light Beer: 5% ABV
- Strong Beer: 7.5% ABV
- Whisky: 42.4% ABV
- Rum: 40% ABV
Standard Drink Sizes
- Beer: 300ml, 500ml, 650ml
- Spirits: 90ml (shot), 180ml (double)
- Bottles: 375ml (half), 750ml (full)
BAC Levels and Effects
- 0.02-0.03%: Slight euphoria, relaxation
- 0.04-0.06%: Lowered inhibitions, impaired judgment
- 0.07-0.09%: Impaired coordination, reaction time
- 0.10-0.12%: Significant motor impairment
- 0.13-0.15%: Severe impairment, risk of injury
- 0.16%+: High risk of alcohol poisoning