Alcohol Unit Calculator
Calculate alcohol units, standard drinks, and calories from your beverages.
Your Drinks
= 1.6 units
Total Alcohol Units (Today)
1.6 units
0.9 US standard drinks
Weekly Total
11.5 units
83% of limit
Remaining This Week
2.5 units
Of 14 unit limit
Calories from Alcohol
91
kcal
Pure Alcohol
13.0g
grams
Weekly Limit Progress
0 units14 units (recommended max)
Common Drink Units
Pint of Beer (4%)
2.3 units
Glass of Wine (175ml, 12%)
2.1 units
Single Spirit (25ml, 40%)
1.0 unit
Bottle of Wine (750ml, 12%)
9.0 units
Understanding Alcohol Units
Formula: Units = (Volume in ml x ABV%) / 1000
UK Guidelines: Maximum 14 units per week, spread over 3 or more days with drink-free days.
US Standard Drink: Contains about 14 grams (0.6 oz) of pure alcohol.
Calories: Alcohol contains 7 calories per gram - almost as much as fat (9 cal/g).