Cocktail Calculator

Scale a sour-style cocktail to any number of servings using a 2:1:0.75 ratio.

Usage Tip

Taste and adjust the sweet-sour balance before serving a big batch.

Spirit Needed
— oz spirit
For all servings
THE MATH
each drink = 2 parts spirit : 1 part citrus : 0.75 part sweetener
The classic sour template scales cleanly: just multiply by the number of servings.
Batch without ice and add water (about 20%) to mimic dilution if pre-mixing.
Scroll to Top

The calculators and tools on Formula Factory are provided for general guidance and informational purposes only. Results are estimates based on standard formulas and the values you enter — they do not constitute professional engineering, electrical, or architectural advice. Always verify calculations with a qualified professional before making decisions for any safety-critical, code-compliance, or commercial application. Formula Factory makes no representations or warranties as to the accuracy or completeness of any result, and accepts no liability for errors, omissions, or any outcomes arising from reliance on this information.