To calculate alcohol units: Units = (Volume in ml × ABV%) / 1000. Example: a 500ml beer at 5% ABV = (500 × 5) / 1000 = 2.5 units. UK guidelines recommend no more than 14 units per week for both men and women, spread across 3+ days with several alcohol-free days.
📂 Health
🍺 Alcohol Units Calculator
Calculate alcohol units in any drink and track your weekly intake against health guidelines. Works for beer, wine, spirits, and cocktails.
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✨ Your Result
🦉Owl's Explanation
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✅ Trusted Tool
Educational tool only — not medical advice. If concerned about alcohol consumption, consult a healthcare professional. Free, no sign-up needed.
🤔 How Does This Work?
Units = (Volume ml × ABV%) / 1000
Compares total to NHS weekly guideline of 14 units
❓ Frequently Asked Questions
How many units are in a bottle of wine?▼
A standard 750ml bottle of wine at 13% ABV contains 9.75 units. A 175ml glass at the same strength is 2.3 units. A 250ml large glass is 3.25 units.
What is the UK weekly alcohol guideline?▼
NHS guidelines recommend no more than 14 units per week for both men and women, spread across 3 or more days, with several drink-free days.