Units in a 70cl bottle of 40% spirits

Worked calculation

700 × 40 ÷ 1000 = 28

The NHS uses: units = millilitres × ABV (%) ÷ 1000. See the NHS guide to calculating alcohol units.

Compare with the weekly guideline

This drink is 28 units. The NHS low-risk guideline for regular drinking is not more than 14 units a week, spread over 3 or more days. The NHS calls this lower risk and does not call any amount “safe”. Read our guideline summary.

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FAQ

How many units are in a 70cl bottle of 40% spirits?

At 40% ABV and 700ml, there are about 28 UK units (700 × 40 ÷ 1000 = 28).

How is a UK alcohol unit calculated?

Units = volume in millilitres × ABV (%) ÷ 1000. This is the formula used by the NHS.

Is this a safe amount to drink?

This page only shows units, not safety. The NHS describes up to 14 units a week, spread over 3 or more days, as lower risk. The NHS does not call any amount of drinking safe. See our guideline page and NHS links for details.

All drink pages

Not medical advice. Typical ABV varies by brand, so check the label or enter your own values in the calculator.