Classic cocktail recipes follow consistent ratio patterns. Master the ratios and you can improvise.
| Cocktail | Base spirit | Modifier | Accent | Ratio |
|---|---|---|---|---|
| Old Fashioned | 2 oz bourbon/rye | 1/4 oz simple syrup | 2 dashes Angostura | 8:1:dash |
| Margarita | 2 oz tequila | 1 oz lime juice | 3/4 oz triple sec | 2:1:0.75 |
| Daiquiri | 2 oz white rum | 1 oz lime juice | 3/4 oz simple syrup | 2:1:0.75 |
| Manhattan | 2 oz rye whiskey | 1 oz sweet vermouth | 2 dashes Angostura | 2:1:dash |
| Negroni | 1 oz gin | 1 oz sweet vermouth | 1 oz Campari | 1:1:1 |
| Whiskey Sour | 2 oz bourbon | 3/4 oz lemon | 3/4 oz simple syrup | 2:0.75:0.75 |
| Martini | 2.5 oz gin/vodka | 0.5 oz dry vermouth | Olive/lemon twist | 5:1 |
| Gimlet | 2 oz gin | 3/4 oz lime juice | 3/4 oz simple syrup | 2:0.75:0.75 |
| Mojito | 2 oz white rum | 1 oz lime juice | 3/4 oz simple + mint + soda | 2:1:0.75 |
| Sidecar | 2 oz cognac | 1 oz triple sec | 3/4 oz lemon juice | 2:1:0.75 |
The golden ratios:
Sour: 2:1:0.75 (spirit : citrus : sweet)
Spirit-forward: 2:1:dash (spirit : modifier : bitters)
Equal parts: 1:1:1 (Negroni family)
About Cocktail Ratio
What this tool does
Brewing tools calculate alcohol by volume (ABV), International Bitterness Units (IBU), strike water temperature, priming sugar amounts, dilution ratios, cocktail proportions, and keg volumes.
Why use this tool
Homebrewing is a science. The difference between a balanced IPA and a harsh, over-bitter beer comes down to precise IBU calculations and correct fermentation temperatures. These tools take the guesswork out of recipe formulation.
How it works
ABV uses the formula (OG - FG) x 131.25. IBU applies the Tinseth or Rager utilization formula based on boil time and gravity. Strike water temperature is calculated from grain weight, water volume, and desired mash temperature.
Pro tip
For consistent homebrew, calibrate your hydrometer at 60 degrees F (15.5 degrees C). Temperature affects density readings, and an uncorrected reading can throw off your ABV calculation by half a percent.
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