
The amount of alcohol in a drink is typically measured in alcohol by volume (ABV), which is the percentage of pure alcohol in a drink. This can be calculated by multiplying the volume of the drink in litres by its ABV. Spirits, such as gin, rum, vodka, and whisky, usually have a higher ABV compared to beer and wine, with most spirits sold in the UK having an ABV of 35-40%. So, how many ml of spirits is 40% ABV?
| Characteristics | Values |
|---|---|
| Alcohol by volume (ABV) | 40% |
| Standard drink in the UK | One unit of alcohol equals one percentage point per litre, of any alcoholic beverage |
| Standard drink in the US | One standard drink contains about 14 grams, or about 0.6 fluid ounces, of pure alcohol |
| Standard drink in Australia | A 30 ml (1.0 US fl oz) shot of spirits (40% ABV) is 0.95 standard drinks |
| Whisky in the UK, US, Canada and EU | Legally required to be no less than 40% ABV bottled |
| Vodka | The standard ABV is usually around 40% |
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What You'll Learn
- A 25ml pub measure of 40% ABV spirit in England is one unit
- A 35ml pub measure of 40% ABV spirit in the UK is 1.4 units
- A 30ml shot of 40% ABV spirit in Australia is 0.95 standard drinks
- A 2oz shot of 40% ABV spirit in Canada is 1.4 standard drinks
- A 44ml shot of 80-proof liquor in the US is one standard drink

A 25ml pub measure of 40% ABV spirit in England is one unit
In the UK, the Weights and Measures Act 1985 governs the quantities in which alcoholic drinks must be served. Spirits like gin, rum, vodka, and whisky must be served in 25ml or 35ml measures or multiples of these. A 25ml pub measure of 40% ABV spirit in England is one unit.
ABV, or alcohol by volume, is a common measure of the amount of alcohol in a given alcoholic beverage. It is defined as the volume of ethanol in a liquid divided by the total volume of the solution, both at 20°C. ABV is a standard measure used worldwide.
The idea of counting alcohol units was introduced in the UK in 1987 to help people keep track of their drinking. One unit equals 10ml or 8g of pure alcohol, which is the amount of alcohol the average adult can process in an hour. To calculate the number of units in a drink, multiply the volume of the drink in milliliters by its ABV as a percentage and divide the result by 1000. For example, a 750ml bottle of wine with 13.5% ABV contains 10 units.
Whisky, for example, is legally required to be at least 40% ABV in several countries, including the UK. A 25ml pub measure of 40% ABV spirit, such as whisky, in England is one unit. It is important to note that serving sizes and legal measures may vary by country and region.
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A 35ml pub measure of 40% ABV spirit in the UK is 1.4 units
In the UK, a standard drink or unit of alcohol is a measure of alcohol consumption that helps inform drinkers about their alcohol intake and the relative risks to their health. The number of units in a drink is based on the size of the drink and its alcohol strength. One unit of alcohol equals one percentage point per litre of any alcoholic beverage. This means that a 35ml pub measure of 40% ABV spirit in the UK is 1.4 units.
The concept of a "unit" of alcohol was introduced in the UK in 1987 to help people keep track of their drinking. It is a straightforward calculation: the volume of the drink in millilitres is multiplied by its ABV (alcohol by volume) and then divided by 1,000. So, for example, a 35ml measure of 40% ABV spirit contains 1.4 units because 35 x 40 = 1400, and 1400/1000 = 1.4.
The UK is not the only country to use the "unit" system to measure alcohol content. Many other countries use this system, and the World Health Organization's Alcohol Use Disorders Identification Test (AUDIT) uses 10g or 0.35oz as its standard unit of alcohol, which has been adopted by more countries than any other amount. However, the definition of a standard drink varies from country to country. For example, in the US, a standard drink is defined as 0.6 US fluid ounces (18ml) of ethanol per serving, while in Australia, a 30ml shot of 40% ABV spirits is 0.95 standard drinks.
It is important to note that the terms "large", "medium", and "standard" are not defined in UK law, even though wine glass sizes are. Therefore, it is essential to be mindful of the number of units consumed, especially when drinking outside of the UK, as a "standard drink" or "unit" may vary in volume and alcohol content.
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A 30ml shot of 40% ABV spirit in Australia is 0.95 standard drinks
The notion of a "standard drink" is used to inform consumers about the recommended amount of alcohol consumption and its relative risks to health. The definition of a standard drink varies from country to country. In Australia, a 30ml shot of spirits with 40% ABV (alcohol by volume) is considered 0.95 standard drinks. This is because a standard drink in Australia contains 10g of alcohol, or 12.5ml of pure alcohol.
To calculate the number of standard drinks in a beverage, you can multiply the volume of the drink in milliliters by its ABV and divide the result by 1,000. For example, a 30ml shot of 40% ABV spirit contains 0.95 standard drinks because 30 x 0.40 = 12, and 12/1,000 = 0.012, or 1.2%. This means that a 30ml shot of 40% ABV spirit contains 1.2% of a standard drink, which is equivalent to 0.95 standard drinks.
It's important to note that a standard drink is different from a normal serving size. For example, an average restaurant serving of wine is 150ml, which equates to approximately 1.4 to 1.6 standard drinks, depending on the alcohol content. Similarly, a large (35ml) single measure of spirits is typically served but constitutes 1.4 units or standard drinks.
Understanding standard drinks can help individuals keep track of their alcohol consumption and adhere to recommended guidelines. In Australia, the guidelines suggest a maximum of 10 standard drinks per week and no more than 4 standard drinks on any given day to reduce the risk of alcohol-related harm. These guidelines are essential to follow, as excessive alcohol consumption can lead to immediate risks of injury and accidents, as well as long-term health issues, including an increased risk of developing various cancers, liver disease, cardiovascular disease, and stroke.
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A 2oz shot of 40% ABV spirit in Canada is 1.4 standard drinks
The number of standard drinks in a beverage is calculated based on the volume of the drink and its alcohol content. Alcohol by volume (ABV) is a standard measure of the amount of alcohol in a given beverage, defined as the volume of ethanol in the liquid, divided by the volume of the solution, both at 20 °C (68 °F). The ABV of a drink is a percentage that indicates the volume of alcohol the drink contains. For example, a drink that is 40% ABV is composed of 40% alcohol and 60% other liquid/ingredients. Whisky, for instance, is legally required to be no less than 40% ABV in the United States, Canada, the United Kingdom, and the European Union.
The ABV of a beverage is used to calculate the number of standard drinks it contains. A standard drink represents a fixed amount of pure alcohol and is used to inform consumers about the relative health risks of alcohol consumption. The definition of a standard drink varies from country to country. In the UK, a single pub measure (25 ml) of a spirit contains one unit, while a larger measure of 35 ml contains 1.4 units of alcohol at 40% ABV. In Australia, a 30 ml shot of spirits (40% ABV) is 0.95 standard drinks.
In Canada, the formula for calculating the number of standard drinks is given as: 17 divided by the ABV = the number of mL for 1 standard drink. Using this formula, a 2 oz (59.15 ml) shot of 40% ABV spirit can be calculated as follows:
First, calculate the number of mL for 1 standard drink: 17 / 40 = 0.425 mL.
Next, divide the volume of the drink by the volume of 1 standard drink: 59.15 / 0.425 = 1.4.
Therefore, a 2 oz shot of 40% ABV spirit in Canada is equivalent to 1.4 standard drinks.
It is important to note that the rate at which alcohol is metabolized by the body varies depending on several factors, including body weight, sex, age, metabolic rate, recent food intake, the type and strength of the alcohol, and medications taken.
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A 44ml shot of 80-proof liquor in the US is one standard drink
The notion of a "standard drink" is used to inform alcohol users about the amount of alcohol they are consuming and its relative risks to health. A standard drink represents a fixed amount of pure alcohol and helps to standardise the amount of alcohol consumed across different types of beverages. This is because a standard drink of spirits, for example, takes up much less space than a standard drink of beer, but both contain the same amount of alcohol and therefore produce the same amount of intoxication.
The definition of a standard drink varies from country to country. In the US, one standard drink is defined as 0.6 US fluid ounces (18ml) of ethanol per serving, which is approximately 14 grams of alcohol. This is equivalent to a 44ml shot of 80-proof liquor, which is typically the standard volume for spirits in the US.
In other countries, the standard drink is based on either the mass of alcohol (in grams) or the volume (in ml or other volume units). For example, the World Health Organization's Alcohol Use Disorders Identification Test (AUDIT) uses 10g (0.35 ounces) as the standard drink definition, which has been adopted by more countries than any other amount.
It is important to note that the volume of a standard drink can vary depending on the alcohol concentration of the beverage. For instance, a 150ml glass of wine with 13.5% ABV is equivalent to 1.5 Australian standard drinks, while the same volume of wine with 12% ABV is only one US standard drink.
Understanding the concept of a standard drink and knowing how to calculate the number of standard drinks in a given beverage can help individuals make informed decisions about their alcohol consumption and stay within recommended guidelines to minimise health risks.
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Frequently asked questions
A standard pub measure of spirits in the UK is 25ml and contains one unit of alcohol. A larger measure of 35ml is increasingly used, and at 40% ABV, it contains 1.4 units of alcohol.
In the US, one shot of 80-proof liquor (40% ABV) is 1.5 US fl oz (44 ml) or one US standard drink.
In Australia, a 30 ml shot of spirits (40% ABV) is 0.95 standard drinks.











































