HOW TO CALCULATE UNITS OF ALCOHOL
A generally accepted recommendation is that not more than 14 units of alcohol could be consumed weekly, spread over the week with some alcohol-free days, in other to prevent the long term complications of its consumption. Beyond this level, the safety of the vital body organs cannot be guaranteed, as seen in the most recent guidelines for alcohol consumption, published by the UK Department of Health and Social care. Alcohol by volume (ABV) is the standard measurement of the alcohol content of drinks , and it is gives the volume of pure alcohol (ethanol) as a percentage of the total quantity of the drink. As a general rule, of all alcoholic drinks, Beer is the least concentrated (< 7%), while Spirits/Liquor rank highest with most consisting of at least 30% of ethanol.
- Volume of drink in ml (millilitres) multiplied by the percentage, then divided by 1000.
- volume in cl (centilitres) multiplied by the percentage, then divided by 100.
- Volume in L (litres) multiplied by the percentage.
For example, a 50ml alcoholic drink/herb labeled 40% ABV contains 2 units of alcohol;
50 x 40 = 2000, then 2000/1000= 2.