To scale any drink recipe up or down, multiply each ingredient by the ratio of new servings to original servings. This keeps the balance identical.
New = Base × (Want ÷ Makes)
What the terms mean
| Symbol | Meaning |
|---|---|
| New | Scaled ingredient amount |
| Base | Original ingredient amount |
| Want | Servings you want |
| Makes | Servings the recipe makes |
Worked example
A punch recipe for 8 scaled to 20: each ingredient is multiplied by 20 ÷ 8 = 2.5. A 2-cup juice becomes 5 cups.
Scale everything together. Multiply every ingredient by the same factor, including ice and garnish. Scaling only some throws off the flavor balance.
See the Drink Batch Calculator and the Party Drinks Calculator.