How Many Units in a Bottle of Wine?

The number of alcohol units in a bottle of wine depends on the alcohol by volume (ABV) and the bottle size. In the UK, a standard bottle of wine is 750 ml.

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Units in a Standard Bottle of Wine (750 ml)

• 9% ABV wine ≈ 6.8 units
• 10% ABV wine ≈ 7.5 units
• 11% ABV wine ≈ 8.3 units
• 12% ABV wine ≈ 9 units
• 13% ABV wine ≈ 9.8 units
• 14% ABV wine ≈ 10.5 units

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Quick Formula (UK Alcohol Units)

Units = (ABV × volume in ml) ÷ 1,000

Example: 12% × 750 ml ÷ 1,000 = 9 units

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Units per Glass of Wine (Approx.)

• Small glass (125 ml, 12% ABV) ≈ 1.5 units
• Medium glass (175 ml, 12% ABV) ≈ 2.1 units
• Large glass (250 ml, 12% ABV) ≈ 3 units

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Why Wine Units Vary

• Alcohol strength (ABV)
• Glass or bottle size
• Wine style (light, table wine, fortified wine)

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UK Alcohol Unit Guidance

• UK low-risk guideline: no more than 14 units per week
• Spread drinking across several days
• A 750 ml bottle of wine often contains over half the weekly guideline

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Disclaimer: This page is provided for general informational purposes only. Alcohol unit values are estimates and may vary based on exact ABV, bottle size, serving size, and pouring practices. Information on alcohol units does not constitute medical, health, or lifestyle advice. We make no guarantees regarding accuracy or suitability for any purpose and accept no liability for decisions, health outcomes, or actions taken based on this information. For personal health advice or alcohol-related concerns, consult a qualified medical or healthcare professional and follow official public health guidance.