Calculator

Alcohol Units Calculator

Calculate UK alcohol units, weekly intake vs NHS guidelines, calories, and time for your body to clear alcohol.

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Log your units each day this week to see how you compare to NHS guidelines (14 units/week max).

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Weekly total0.0 units

✅ Within NHS guidelines (14 units/week)

014 (guideline)21+

📏 What is a unit?

1 UK unit = 10ml (8g) of pure alcohol. A 568ml pint of 4% beer = 2.3 units. A 250ml glass of 13% wine = 3.3 units.

📋 NHS Guidelines

⏱️ Clearing alcohol

Your liver processes approximately 1 unit per hour. Coffee, water, and sleep do not speed this up.

🔥 Calorie note

Alcohol contains 7 kcal per gram — almost as much as fat (9 kcal/g). A pint of 4% beer ≈ 180 kcal. A large glass of wine ≈ 228 kcal.