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Cocktail ABV calculator

The strength of a mixed drink is the total pure alcohol divided by the total volume. List each ingredient's volume and its ABV, add the water from melting ice, and get the finished drink's ABV, its volume and how many standard drinks it holds.

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Enter Ingredient volumes (ml), Matching ABVs (%), Ice melt / dilution (ml) and the Cocktail ABV calculator works out Final ABV, Total volume (ml), Standard drinks straight away. For instance, with Ingredient volumes (ml) = 50, 30, 20, Matching ABVs (%) = 40, 40, 0 and Ice melt / dilution (ml) = 50 it returns Final ABV = 21.33%, Total volume (ml) = 150 and Standard drinks = 1.803.

How to use it

  1. Enter your values: Ingredient volumes (ml), Matching ABVs (%), Ice melt / dilution (ml).
  2. Read the result instantly: Final ABV, Total volume (ml), Standard drinks.

Frequently asked questions

What does the Cocktail ABV calculator actually compute?

It takes Ingredient volumes (ml), Matching ABVs (%) and Ice melt / dilution (ml) and derives Final ABV, Total volume (ml) and Standard drinks from them. The calculation is live as you type, so the result updates on every change.

What information do I need to provide?

3 values: Ingredient volumes (ml), Matching ABVs (%) and Ice melt / dilution (ml). Nothing else is required — no account, no file upload.

Can you show a worked example?

With Ingredient volumes (ml) = 50, 30, 20, Matching ABVs (%) = 40, 40, 0 and Ice melt / dilution (ml) = 50, the calculator returns Final ABV = 21.33%, Total volume (ml) = 150 and Standard drinks = 1.803. Those figures come from running this exact tool, so you can reproduce them by entering the same values.

What happens if I enter larger values?

It moves a lot. Using Ingredient volumes (ml) = 50, 32, 22, Matching ABVs (%) = 40, 42, 0 and Ice melt / dilution (ml) = 100 instead, Final ABV goes from 21.33% to 16.39% — which is why it is worth testing a few scenarios rather than trusting a single figure.

What does it give for smaller values?

Scaled down to Ingredient volumes (ml) = 50, 30, Matching ABVs (%) = 40, 40 and Ice melt / dilution (ml) = 25, Final ABV comes out at 30.48%. The relationship is worth checking at both ends before you rely on a single result.

When would I actually use this?

Cooking from a recipe that does not match your kitchen: scaling for a different number of people, converting cups to grams, and substituting what you do not have.

What is the most common mistake?

Converting a cup as if it were a volume of weight. A cup of flour and a cup of sugar differ by nearly a third in mass, so a single conversion factor gets one of them badly wrong.

What is the difference between the Cocktail ABV calculator and the Homebrew ABV calculator?

This one returns Final ABV and Total volume (ml); the Homebrew ABV calculator returns Alcohol by volume and Apparent attenuation. That is the whole difference — open the one whose figure you need.

Is there a tool for the next step?

Cocktail batch calculator is the closest one after this: Scale up a single cocktail into a large batch for a party.

What else is worth having open alongside it?

Party Drinks Calculator and Wedding alcohol calculator — they come up in the same task often enough to be worth a second tab.

Further reading

All guides →
ExplainerHow Much Wine for a Wedding: Work From Bottles, Not From a Rule of ThumbA 750 ml bottle pours five glasses, and guests average about one drink per hour. Everything else is arithmetic — here it is for 50 to 250 guests over three, four and five hours, with an honest range rather than a single number.ExplainerMeat Doneness Temperatures: A Safe Cooking GuideThe only reliable way to know meat is safe is internal temperature. Learn safe minimum internal temperatures for poultry, ground meat, pork, beef and fish, and how to check with a thermometer.How-toHow Many Servings in a Cake? A Size GuideHow many slices you get from a cake depends on its size, shape and how big you cut the pieces. Learn the servings for round and square pans, and party versus dessert slices.How-toHow Much Ground Coffee Per Cup? The Golden RatioThe golden ratio for coffee is about 1:16 by weight — roughly 1 tablespoon of grounds per 6 oz cup. Learn how to measure coffee in grams and tablespoons for a balanced brew.How-toHow Many Drinks for a Party? A Simple FormulaWork out how much wine, beer and soft drinks to buy for a party. Plan on about one drink per guest per hour, then split the total between alcoholic and non-alcoholic options.How-toHow Many Pizzas for a Party? Slice & Pie Calculator GuideWork out how many pizzas to order for a party: slices per guest, slices per pizza, and the simple formula that ties them together.