Martini ABV Calculator

Compare dry martini, dirty martini, and espresso martini strengths from one page. Presets include practical dilution assumptions so in-glass ABV is easier to estimate.

Interactive martini strength calculator

Spirit-forward gin martini with a small vermouth pour and stirred dilution.

Final ABV

27.95%

Final volume

117 mL

Ethanol volume

32.7 mL

US standard drinks

1.85

Equivalent 12 oz beers (5% ABV)

1.85 beers

Ingredient assumptions

Preset comparison

PresetABVUS standard drinksSummary
Dry martini27.95%1.84Spirit-forward gin martini with a small vermouth pour and stirred dilution.
Dirty martini24.91%1.84Dry martini profile plus olive brine, usually with slightly less dilution.
Espresso martini17.39%1.35Vodka and coffee liqueur build with espresso and shaken dilution.

Formula

Final ABV is based on total ethanol volume from each ingredient divided by final post-dilution volume. Dirty and espresso variations change both the alcohol fraction and the dilution behavior relative to a dry martini.

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