How to Calculate Alcohol Units
What is Alcohol Units?
An alcohol unit (UK) is a standard measure of pure alcohol. One unit contains 10ml (8g) of pure ethanol. UK health guidelines recommend no more than 14 units per week for both men and women, spread across at least 3 days, with alcohol-free days each week.
Formula
- ABV
- ABV value — Variable used in the calculation
Step-by-Step Guide
- 1Units = Volume (ml) × ABV (%) ÷ 1000
- 2Example: 568ml pint of 4% beer = 568 × 4 ÷ 1000 = 2.27 units
- 3A 175ml glass of 13% wine = 2.28 units (often rounded to "2 units")
Worked Examples
Frequently Asked Questions
What is Alcohol Units?
An alcohol unit (UK) is a standard measure of pure alcohol. One unit contains 10ml (8g) of pure ethanol
How accurate is the Alcohol Units calculator?
The calculator uses the standard published formula for alcohol units. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.
What units does the Alcohol Units calculator use?
This calculator works with inches, percentages. You can enter values in the units shown — the calculator handles all conversions internally.
What formula does the Alcohol Units calculator use?
The core formula is: Units = Volume (ml) × ABV (%) ÷ 1000. Each step in the calculation is shown so you can verify the result manually.
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